Finding the Fourth Proportional to 81,088.58, 111,902.00 and 45,287.07

Step by Step Solution

1. Step 1: Write the proportion equation
   81,088.58 : 111,902.00 = 45,287.07 : x
2. Step 2: Convert to fraction form
   81,088.58/111,902.00 = 45,287.07/x
3. Step 3: Cross multiply
   81,088.58x = 111,902.00 × 45,287.07
4. Step 4: Simplify right side
   81,088.58x = 5,067,713,480.70
5. Step 5: Solve for x
   x = 5,067,713,480.70/81,088.58
6. Step 6: Final answer
   x = 62,496.02