Finding the Fourth Proportional to 114,862.43, 158,524.40 and 64,561.43

Step by Step Solution

1. Step 1: Write the proportion equation
   114,862.43 : 158,524.40 = 64,561.43 : x
2. Step 2: Convert to fraction form
   114,862.43/158,524.40 = 64,561.43/x
3. Step 3: Cross multiply
   114,862.43x = 158,524.40 × 64,561.43
4. Step 4: Simplify right side
   114,862.43x = 10,234,561,953.89
5. Step 5: Solve for x
   x = 10,234,561,953.89/114,862.43
6. Step 6: Final answer
   x = 89,102.78