Finding the Fourth Proportional to 99,152.61, 148,677.87 and 39,972.39

Step by Step Solution

1. Step 1: Write the proportion equation
   99,152.61 : 148,677.87 = 39,972.39 : x
2. Step 2: Convert to fraction form
   99,152.61/148,677.87 = 39,972.39/x
3. Step 3: Cross multiply
   99,152.61x = 148,677.87 × 39,972.39
4. Step 4: Simplify right side
   99,152.61x = 5,943,009,160.55
5. Step 5: Solve for x
   x = 5,943,009,160.55/99,152.61
6. Step 6: Final answer
   x = 59,938.00