Finding the Fourth Proportional to 81,162.10, 112,003.46 and 45,352.15

Step by Step Solution

1. Step 1: Write the proportion equation
   81,162.10 : 112,003.46 = 45,352.15 : x
2. Step 2: Convert to fraction form
   81,162.10/112,003.46 = 45,352.15/x
3. Step 3: Cross multiply
   81,162.10x = 112,003.46 × 45,352.15
4. Step 4: Simplify right side
   81,162.10x = 5,079,597,636.85
5. Step 5: Solve for x
   x = 5,079,597,636.85/81,162.10
6. Step 6: Final answer
   x = 62,585.83