Finding the Fourth Proportional to 90,454.62, 124,870.24 and 60,290.22

Step by Step Solution

1. Step 1: Write the proportion equation
   90,454.62 : 124,870.24 = 60,290.22 : x
2. Step 2: Convert to fraction form
   90,454.62/124,870.24 = 60,290.22/x
3. Step 3: Cross multiply
   90,454.62x = 124,870.24 × 60,290.22
4. Step 4: Simplify right side
   90,454.62x = 7,528,454,241.05
5. Step 5: Solve for x
   x = 7,528,454,241.05/90,454.62
6. Step 6: Final answer
   x = 83,229.07