Finding the Fourth Proportional to 109,152.50, 150,648.80 and 63,205.43

Step by Step Solution

1. Step 1: Write the proportion equation
   109,152.50 : 150,648.80 = 63,205.43 : x
2. Step 2: Convert to fraction form
   109,152.50/150,648.80 = 63,205.43/x
3. Step 3: Cross multiply
   109,152.50x = 150,648.80 × 63,205.43
4. Step 4: Simplify right side
   109,152.50x = 9,521,821,113.71
5. Step 5: Solve for x
   x = 9,521,821,113.71/109,152.50
6. Step 6: Final answer
   x = 87,234.11