Finding the Fourth Proportional to 99,061.61, 148,543.20 and 35,879.18

Step by Step Solution

1. Step 1: Write the proportion equation
   99,061.61 : 148,543.20 = 35,879.18 : x
2. Step 2: Convert to fraction form
   99,061.61/148,543.20 = 35,879.18/x
3. Step 3: Cross multiply
   99,061.61x = 148,543.20 × 35,879.18
4. Step 4: Simplify right side
   99,061.61x = 5,329,607,467.86
5. Step 5: Solve for x
   x = 5,329,607,467.86/99,061.61
6. Step 6: Final answer
   x = 53,800.94