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Finding the Fourth Proportional to 355,657.20, 533,303.40 and 106,306.80

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Solution

The fourth proportional to 355,657.20, 533,303.40 and 106,306.80 is: 159,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,657.20 : 533,303.40 = 106,306.80 : x
  2. Step 2: Convert to fraction form
    355,657.20/533,303.40 = 106,306.80/x
  3. Step 3: Cross multiply
    355,657.20x = 533,303.40 × 106,306.80
  4. Step 4: Simplify right side
    355,657.20x = 56,693,777,883.12
  5. Step 5: Solve for x
    x = 56,693,777,883.12/355,657.20
  6. Step 6: Final answer
    x = 159,405.68

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