Finding the Fourth Proportional to 90,247.72, 124,576.74 and 80,799.88

Step by Step Solution

1. Step 1: Write the proportion equation
   90,247.72 : 124,576.74 = 80,799.88 : x
2. Step 2: Convert to fraction form
   90,247.72/124,576.74 = 80,799.88/x
3. Step 3: Cross multiply
   90,247.72x = 124,576.74 × 80,799.88
4. Step 4: Simplify right side
   90,247.72x = 10,065,785,642.79
5. Step 5: Solve for x
   x = 10,065,785,642.79/90,247.72
6. Step 6: Final answer
   x = 111,535.07