Finding the Fourth Proportional to 99,662.50, 149,556.01 and 40,498.15

Step by Step Solution

1. Step 1: Write the proportion equation
   99,662.50 : 149,556.01 = 40,498.15 : x
2. Step 2: Convert to fraction form
   99,662.50/149,556.01 = 40,498.15/x
3. Step 3: Cross multiply
   99,662.50x = 149,556.01 × 40,498.15
4. Step 4: Simplify right side
   99,662.50x = 6,056,741,726.38
5. Step 5: Solve for x
   x = 6,056,741,726.38/99,662.50
6. Step 6: Final answer
   x = 60,772.52