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Finding the Fourth Proportional to 445,510.40, 668,265.60 and 113,086.40

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Solution

The fourth proportional to 445,510.40, 668,265.60 and 113,086.40 is: 169,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,510.40 : 668,265.60 = 113,086.40 : x
  2. Step 2: Convert to fraction form
    445,510.40/668,265.60 = 113,086.40/x
  3. Step 3: Cross multiply
    445,510.40x = 668,265.60 × 113,086.40
  4. Step 4: Simplify right side
    445,510.40x = 75,571,750,947.84
  5. Step 5: Solve for x
    x = 75,571,750,947.84/445,510.40
  6. Step 6: Final answer
    x = 169,629.60

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