Finding the Fourth Proportional to 124,350.08, 186,486.24 and 54,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,350.08 : 186,486.24 = 54,158.72 : x
2. Step 2: Convert to fraction form
   124,350.08/186,486.24 = 54,158.72/x
3. Step 3: Cross multiply
   124,350.08x = 186,486.24 × 54,158.72
4. Step 4: Simplify right side
   124,350.08x = 10,099,856,056.01
5. Step 5: Solve for x
   x = 10,099,856,056.01/124,350.08
6. Step 6: Final answer
   x = 81,221.15