Finding the Fourth Proportional to 80,444.16, 111,023.10 and 52,872.12

Step by Step Solution

1. Step 1: Write the proportion equation
   80,444.16 : 111,023.10 = 52,872.12 : x
2. Step 2: Convert to fraction form
   80,444.16/111,023.10 = 52,872.12/x
3. Step 3: Cross multiply
   80,444.16x = 111,023.10 × 52,872.12
4. Step 4: Simplify right side
   80,444.16x = 5,870,026,665.97
5. Step 5: Solve for x
   x = 5,870,026,665.97/80,444.16
6. Step 6: Final answer
   x = 72,970.20