Finding the Fourth Proportional to 90,963.38, 125,581.56 and 60,799.80

Step by Step Solution

1. Step 1: Write the proportion equation
   90,963.38 : 125,581.56 = 60,799.80 : x
2. Step 2: Convert to fraction form
   90,963.38/125,581.56 = 60,799.80/x
3. Step 3: Cross multiply
   90,963.38x = 125,581.56 × 60,799.80
4. Step 4: Simplify right side
   90,963.38x = 7,635,333,731.69
5. Step 5: Solve for x
   x = 7,635,333,731.69/90,963.38
6. Step 6: Final answer
   x = 83,938.54