Finding the Fourth Proportional to 99,061.76, 148,590.94 and 39,895.92

Step by Step Solution

1. Step 1: Write the proportion equation
   99,061.76 : 148,590.94 = 39,895.92 : x
2. Step 2: Convert to fraction form
   99,061.76/148,590.94 = 39,895.92/x
3. Step 3: Cross multiply
   99,061.76x = 148,590.94 × 39,895.92
4. Step 4: Simplify right side
   99,061.76x = 5,928,172,254.96
5. Step 5: Solve for x
   x = 5,928,172,254.96/99,061.76
6. Step 6: Final answer
   x = 59,843.20