Finding the Fourth Proportional to 81,162.48, 112,003.98 and 45,352.53

Step by Step Solution

1. Step 1: Write the proportion equation
   81,162.48 : 112,003.98 = 45,352.53 : x
2. Step 2: Convert to fraction form
   81,162.48/112,003.98 = 45,352.53/x
3. Step 3: Cross multiply
   81,162.48x = 112,003.98 × 45,352.53
4. Step 4: Simplify right side
   81,162.48x = 5,079,663,863.07
5. Step 5: Solve for x
   x = 5,079,663,863.07/81,162.48
6. Step 6: Final answer
   x = 62,586.36