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Finding the Fourth Proportional to 113,620.87, 156,778.47 and 68,288.01

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Solution

The fourth proportional to 113,620.87, 156,778.47 and 68,288.01 is: 94,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,620.87 : 156,778.47 = 68,288.01 : x
  2. Step 2: Convert to fraction form
    113,620.87/156,778.47 = 68,288.01/x
  3. Step 3: Cross multiply
    113,620.87x = 156,778.47 × 68,288.01
  4. Step 4: Simplify right side
    113,620.87x = 10,706,089,727.14
  5. Step 5: Solve for x
    x = 10,706,089,727.14/113,620.87
  6. Step 6: Final answer
    x = 94,226.44

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