Finding the Fourth Proportional to 114,870.48, 158,528.52 and 64,572.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,870.48 : 158,528.52 = 64,572.72 : x
2. Step 2: Convert to fraction form
   114,870.48/158,528.52 = 64,572.72/x
3. Step 3: Cross multiply
   114,870.48x = 158,528.52 × 64,572.72
4. Step 4: Simplify right side
   114,870.48x = 10,236,617,733.97
5. Step 5: Solve for x
   x = 10,236,617,733.97/114,870.48
6. Step 6: Final answer
   x = 89,114.43