Finding the Fourth Proportional to 89,932.22, 124,156.17 and 54,131

Step by Step Solution

1. Step 1: Write the proportion equation
   89,932.22 : 124,156.17 = 54,131 : x
2. Step 2: Convert to fraction form
   89,932.22/124,156.17 = 54,131/x
3. Step 3: Cross multiply
   89,932.22x = 124,156.17 × 54,131
4. Step 4: Simplify right side
   89,932.22x = 6,720,697,638.27
5. Step 5: Solve for x
   x = 6,720,697,638.27/89,932.22
6. Step 6: Final answer
   x = 74,730.70