Finding the Fourth Proportional to 81,550.78, 112,531.08 and 45,733.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,550.78 : 112,531.08 = 45,733.42 : x
2. Step 2: Convert to fraction form
   81,550.78/112,531.08 = 45,733.42/x
3. Step 3: Cross multiply
   81,550.78x = 112,531.08 × 45,733.42
4. Step 4: Simplify right side
   81,550.78x = 5,146,431,144.69
5. Step 5: Solve for x
   x = 5,146,431,144.69/81,550.78
6. Step 6: Final answer
   x = 63,107.07