Finding the Fourth Proportional to 89,892.27, 124,063.25 and 54,102.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,892.27 : 124,063.25 = 54,102.15 : x
2. Step 2: Convert to fraction form
   89,892.27/124,063.25 = 54,102.15/x
3. Step 3: Cross multiply
   89,892.27x = 124,063.25 × 54,102.15
4. Step 4: Simplify right side
   89,892.27x = 6,712,088,290.48
5. Step 5: Solve for x
   x = 6,712,088,290.48/89,892.27
6. Step 6: Final answer
   x = 74,668.14