Finding the Fourth Proportional to 81,078.52, 111,899.58 and 45,270.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,078.52 : 111,899.58 = 45,270.82 : x
2. Step 2: Convert to fraction form
   81,078.52/111,899.58 = 45,270.82/x
3. Step 3: Cross multiply
   81,078.52x = 111,899.58 × 45,270.82
4. Step 4: Simplify right side
   81,078.52x = 5,065,785,744.26
5. Step 5: Solve for x
   x = 5,065,785,744.26/81,078.52
6. Step 6: Final answer
   x = 62,480.00