Finding the Fourth Proportional to 82,690.42, 124,098.04 and 60,561.17

Step by Step Solution

1. Step 1: Write the proportion equation
   82,690.42 : 124,098.04 = 60,561.17 : x
2. Step 2: Convert to fraction form
   82,690.42/124,098.04 = 60,561.17/x
3. Step 3: Cross multiply
   82,690.42x = 124,098.04 × 60,561.17
4. Step 4: Simplify right side
   82,690.42x = 7,515,522,417.69
5. Step 5: Solve for x
   x = 7,515,522,417.69/82,690.42
6. Step 6: Final answer
   x = 90,887.46