Finding the Fourth Proportional to 81,055.31, 111,851.69 and 45,247.59

Step by Step Solution

1. Step 1: Write the proportion equation
   81,055.31 : 111,851.69 = 45,247.59 : x
2. Step 2: Convert to fraction form
   81,055.31/111,851.69 = 45,247.59/x
3. Step 3: Cross multiply
   81,055.31x = 111,851.69 × 45,247.59
4. Step 4: Simplify right side
   81,055.31x = 5,061,018,869.11
5. Step 5: Solve for x
   x = 5,061,018,869.11/81,055.31
6. Step 6: Final answer
   x = 62,439.08