Finding the Fourth Proportional to 81,362.79, 112,282.20 and 45,552.78

Step by Step Solution

1. Step 1: Write the proportion equation
   81,362.79 : 112,282.20 = 45,552.78 : x
2. Step 2: Convert to fraction form
   81,362.79/112,282.20 = 45,552.78/x
3. Step 3: Cross multiply
   81,362.79x = 112,282.20 × 45,552.78
4. Step 4: Simplify right side
   81,362.79x = 5,114,766,354.52
5. Step 5: Solve for x
   x = 5,114,766,354.52/81,362.79
6. Step 6: Final answer
   x = 62,863.70