Finding the Fourth Proportional to 81,101.96, 111,931.98 and 45,294.02

Step by Step Solution

1. Step 1: Write the proportion equation
   81,101.96 : 111,931.98 = 45,294.02 : x
2. Step 2: Convert to fraction form
   81,101.96/111,931.98 = 45,294.02/x
3. Step 3: Cross multiply
   81,101.96x = 111,931.98 × 45,294.02
4. Step 4: Simplify right side
   81,101.96x = 5,069,849,340.76
5. Step 5: Solve for x
   x = 5,069,849,340.76/81,101.96
6. Step 6: Final answer
   x = 62,512.04