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Finding the Fourth Proportional to 78,870.08, 118,322.13 and 22,709.81

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Solution

The fourth proportional to 78,870.08, 118,322.13 and 22,709.81 is: 34,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,870.08 : 118,322.13 = 22,709.81 : x
  2. Step 2: Convert to fraction form
    78,870.08/118,322.13 = 22,709.81/x
  3. Step 3: Cross multiply
    78,870.08x = 118,322.13 × 22,709.81
  4. Step 4: Simplify right side
    78,870.08x = 2,687,073,091.10
  5. Step 5: Solve for x
    x = 2,687,073,091.10/78,870.08
  6. Step 6: Final answer
    x = 34,069.61

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