Finding the Fourth Proportional to 81,433.27, 112,380.11 and 45,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,433.27 : 112,380.11 = 45,622.50 : x
2. Step 2: Convert to fraction form
   81,433.27/112,380.11 = 45,622.50/x
3. Step 3: Cross multiply
   81,433.27x = 112,380.11 × 45,622.50
4. Step 4: Simplify right side
   81,433.27x = 5,127,061,568.48
5. Step 5: Solve for x
   x = 5,127,061,568.48/81,433.27
6. Step 6: Final answer
   x = 62,960.28