Finding the Fourth Proportional to 90,694.62, 124,872.71 and 82,287.06

Step by Step Solution

1. Step 1: Write the proportion equation
   90,694.62 : 124,872.71 = 82,287.06 : x
2. Step 2: Convert to fraction form
   90,694.62/124,872.71 = 82,287.06/x
3. Step 3: Cross multiply
   90,694.62x = 124,872.71 × 82,287.06
4. Step 4: Simplify right side
   90,694.62x = 10,275,407,300.42
5. Step 5: Solve for x
   x = 10,275,407,300.42/90,694.62
6. Step 6: Final answer
   x = 113,296.77