Finding the Fourth Proportional to 99,098.88, 148,671 and 42,948.39

Step by Step Solution

1. Step 1: Write the proportion equation
   99,098.88 : 148,671 = 42,948.39 : x
2. Step 2: Convert to fraction form
   99,098.88/148,671 = 42,948.39/x
3. Step 3: Cross multiply
   99,098.88x = 148,671 × 42,948.39
4. Step 4: Simplify right side
   99,098.88x = 6,385,180,089.69
5. Step 5: Solve for x
   x = 6,385,180,089.69/99,098.88
6. Step 6: Final answer
   x = 64,432.41