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Finding the Fourth Proportional to 78,291.14, 108,069.80 and 46,460.04

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Solution

The fourth proportional to 78,291.14, 108,069.80 and 46,460.04 is: 64,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,291.14 : 108,069.80 = 46,460.04 : x
  2. Step 2: Convert to fraction form
    78,291.14/108,069.80 = 46,460.04/x
  3. Step 3: Cross multiply
    78,291.14x = 108,069.80 × 46,460.04
  4. Step 4: Simplify right side
    78,291.14x = 5,020,926,998.49
  5. Step 5: Solve for x
    x = 5,020,926,998.49/78,291.14
  6. Step 6: Final answer
    x = 64,131.48

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