Finding the Fourth Proportional to 81,148.32, 112,127.76 and 62,447.04

Step by Step Solution

1. Step 1: Write the proportion equation
   81,148.32 : 112,127.76 = 62,447.04 : x
2. Step 2: Convert to fraction form
   81,148.32/112,127.76 = 62,447.04/x
3. Step 3: Cross multiply
   81,148.32x = 112,127.76 × 62,447.04
4. Step 4: Simplify right side
   81,148.32x = 7,002,046,713.83
5. Step 5: Solve for x
   x = 7,002,046,713.83/81,148.32
6. Step 6: Final answer
   x = 86,287.02