Finding the Fourth Proportional to 250,022.09, 375,092.83 and 81,542.60

Step by Step Solution

1. Step 1: Write the proportion equation
   250,022.09 : 375,092.83 = 81,542.60 : x
2. Step 2: Convert to fraction form
   250,022.09/375,092.83 = 81,542.60/x
3. Step 3: Cross multiply
   250,022.09x = 375,092.83 × 81,542.60
4. Step 4: Simplify right side
   250,022.09x = 30,586,043,773.94
5. Step 5: Solve for x
   x = 30,586,043,773.94/250,022.09
6. Step 6: Final answer
   x = 122,333.36