Finding the Fourth Proportional to 111,772.52, 154,233.15 and 64,023.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,772.52 : 154,233.15 = 64,023.02 : x
2. Step 2: Convert to fraction form
   111,772.52/154,233.15 = 64,023.02/x
3. Step 3: Cross multiply
   111,772.52x = 154,233.15 × 64,023.02
4. Step 4: Simplify right side
   111,772.52x = 9,874,472,047.11
5. Step 5: Solve for x
   x = 9,874,472,047.11/111,772.52
6. Step 6: Final answer
   x = 88,344.36