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Finding the Fourth Proportional to 89,870.54, 124,020.99 and 49,586.81

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Solution

The fourth proportional to 89,870.54, 124,020.99 and 49,586.81 is: 68,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,870.54 : 124,020.99 = 49,586.81 : x
  2. Step 2: Convert to fraction form
    89,870.54/124,020.99 = 49,586.81/x
  3. Step 3: Cross multiply
    89,870.54x = 124,020.99 × 49,586.81
  4. Step 4: Simplify right side
    89,870.54x = 6,149,804,647.04
  5. Step 5: Solve for x
    x = 6,149,804,647.04/89,870.54
  6. Step 6: Final answer
    x = 68,429.60

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