Finding the Fourth Proportional to 81,101.16, 111,913.29 and 45,287.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,101.16 : 111,913.29 = 45,287.82 : x
2. Step 2: Convert to fraction form
   81,101.16/111,913.29 = 45,287.82/x
3. Step 3: Cross multiply
   81,101.16x = 111,913.29 × 45,287.82
4. Step 4: Simplify right side
   81,101.16x = 5,068,308,933.13
5. Step 5: Solve for x
   x = 5,068,308,933.13/81,101.16
6. Step 6: Final answer
   x = 62,493.67