Finding the Fourth Proportional to 99,056.92, 148,622.37 and 39,909.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,056.92 : 148,622.37 = 39,909.37 : x
2. Step 2: Convert to fraction form
   99,056.92/148,622.37 = 39,909.37/x
3. Step 3: Cross multiply
   99,056.92x = 148,622.37 × 39,909.37
4. Step 4: Simplify right side
   99,056.92x = 5,931,425,154.61
5. Step 5: Solve for x
   x = 5,931,425,154.61/99,056.92
6. Step 6: Final answer
   x = 59,878.96