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Finding the Fourth Proportional to 70,263.54, 105,395.49 and 28,710.54

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Solution

The fourth proportional to 70,263.54, 105,395.49 and 28,710.54 is: 43,065.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,263.54 : 105,395.49 = 28,710.54 : x
  2. Step 2: Convert to fraction form
    70,263.54/105,395.49 = 28,710.54/x
  3. Step 3: Cross multiply
    70,263.54x = 105,395.49 × 28,710.54
  4. Step 4: Simplify right side
    70,263.54x = 3,025,961,431.46
  5. Step 5: Solve for x
    x = 3,025,961,431.46/70,263.54
  6. Step 6: Final answer
    x = 43,065.88

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