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Finding the Fourth Proportional to 355,078.60, 531,743.10 and 236,105.80

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Solution

The fourth proportional to 355,078.60, 531,743.10 and 236,105.80 is: 353,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,078.60 : 531,743.10 = 236,105.80 : x
  2. Step 2: Convert to fraction form
    355,078.60/531,743.10 = 236,105.80/x
  3. Step 3: Cross multiply
    355,078.60x = 531,743.10 × 236,105.80
  4. Step 4: Simplify right side
    355,078.60x = 125,547,630,019.98
  5. Step 5: Solve for x
    x = 125,547,630,019.98/355,078.60
  6. Step 6: Final answer
    x = 353,577.01

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