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Finding the Fourth Proportional to 104,669.80, 156,975.90 and 42,346.60

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Solution

The fourth proportional to 104,669.80, 156,975.90 and 42,346.60 is: 63,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,669.80 : 156,975.90 = 42,346.60 : x
  2. Step 2: Convert to fraction form
    104,669.80/156,975.90 = 42,346.60/x
  3. Step 3: Cross multiply
    104,669.80x = 156,975.90 × 42,346.60
  4. Step 4: Simplify right side
    104,669.80x = 6,647,395,646.94
  5. Step 5: Solve for x
    x = 6,647,395,646.94/104,669.80
  6. Step 6: Final answer
    x = 63,508.25

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