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Finding the Fourth Proportional to 445,712.64, 668,503.04 and 130,084.80

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Solution

The fourth proportional to 445,712.64, 668,503.04 and 130,084.80 is: 195,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,712.64 : 668,503.04 = 130,084.80 : x
  2. Step 2: Convert to fraction form
    445,712.64/668,503.04 = 130,084.80/x
  3. Step 3: Cross multiply
    445,712.64x = 668,503.04 × 130,084.80
  4. Step 4: Simplify right side
    445,712.64x = 86,962,084,257.79
  5. Step 5: Solve for x
    x = 86,962,084,257.79/445,712.64
  6. Step 6: Final answer
    x = 195,107.96

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