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Finding the Fourth Proportional to 85,909.04, 118,558.54 and 53,662.76

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Solution

The fourth proportional to 85,909.04, 118,558.54 and 53,662.76 is: 74,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,909.04 : 118,558.54 = 53,662.76 : x
  2. Step 2: Convert to fraction form
    85,909.04/118,558.54 = 53,662.76/x
  3. Step 3: Cross multiply
    85,909.04x = 118,558.54 × 53,662.76
  4. Step 4: Simplify right side
    85,909.04x = 6,362,178,477.97
  5. Step 5: Solve for x
    x = 6,362,178,477.97/85,909.04
  6. Step 6: Final answer
    x = 74,057.15

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