Finding the Fourth Proportional to 114,744.50, 158,346 and 64,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,744.50 : 158,346 = 64,443.50 : x
2. Step 2: Convert to fraction form
   114,744.50/158,346 = 64,443.50/x
3. Step 3: Cross multiply
   114,744.50x = 158,346 × 64,443.50
4. Step 4: Simplify right side
   114,744.50x = 10,204,370,451
5. Step 5: Solve for x
   x = 10,204,370,451/114,744.50
6. Step 6: Final answer
   x = 88,931.24