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Finding the Fourth Proportional to 236,740.93, 355,129.92 and 78,969.23

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Solution

The fourth proportional to 236,740.93, 355,129.92 and 78,969.23 is: 118,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,740.93 : 355,129.92 = 78,969.23 : x
  2. Step 2: Convert to fraction form
    236,740.93/355,129.92 = 78,969.23/x
  3. Step 3: Cross multiply
    236,740.93x = 355,129.92 × 78,969.23
  4. Step 4: Simplify right side
    236,740.93x = 28,044,335,888.45
  5. Step 5: Solve for x
    x = 28,044,335,888.45/236,740.93
  6. Step 6: Final answer
    x = 118,460.02

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