Finding the Fourth Proportional to 81,128.59, 111,957.69 and 44,829.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,128.59 : 111,957.69 = 44,829.25 : x
2. Step 2: Convert to fraction form
   81,128.59/111,957.69 = 44,829.25/x
3. Step 3: Cross multiply
   81,128.59x = 111,957.69 × 44,829.25
4. Step 4: Simplify right side
   81,128.59x = 5,018,979,162.65
5. Step 5: Solve for x
   x = 5,018,979,162.65/81,128.59
6. Step 6: Final answer
   x = 61,864.50