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Finding the Fourth Proportional to 355,842.32, 533,679.64 and 131,080.68

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Solution

The fourth proportional to 355,842.32, 533,679.64 and 131,080.68 is: 196,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,842.32 : 533,679.64 = 131,080.68 : x
  2. Step 2: Convert to fraction form
    355,842.32/533,679.64 = 131,080.68/x
  3. Step 3: Cross multiply
    355,842.32x = 533,679.64 × 131,080.68
  4. Step 4: Simplify right side
    355,842.32x = 69,955,089,785.65
  5. Step 5: Solve for x
    x = 69,955,089,785.65/355,842.32
  6. Step 6: Final answer
    x = 196,590.14

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