Finding the Fourth Proportional to 99,925.40, 137,892.69 and 54,601.24

Step by Step Solution

1. Step 1: Write the proportion equation
   99,925.40 : 137,892.69 = 54,601.24 : x
2. Step 2: Convert to fraction form
   99,925.40/137,892.69 = 54,601.24/x
3. Step 3: Cross multiply
   99,925.40x = 137,892.69 × 54,601.24
4. Step 4: Simplify right side
   99,925.40x = 7,529,111,516.20
5. Step 5: Solve for x
   x = 7,529,111,516.20/99,925.40
6. Step 6: Final answer
   x = 75,347.33