Finding the Fourth Proportional to 114,860.43, 158,521.64 and 64,559.43

Step by Step Solution

1. Step 1: Write the proportion equation
   114,860.43 : 158,521.64 = 64,559.43 : x
2. Step 2: Convert to fraction form
   114,860.43/158,521.64 = 64,559.43/x
3. Step 3: Cross multiply
   114,860.43x = 158,521.64 × 64,559.43
4. Step 4: Simplify right side
   114,860.43x = 10,234,066,398.27
5. Step 5: Solve for x
   x = 10,234,066,398.27/114,860.43
6. Step 6: Final answer
   x = 89,100.02