Finding the Fourth Proportional to 82,931.52, 124,329.12 and 32,990.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,931.52 : 124,329.12 = 32,990.16 : x
2. Step 2: Convert to fraction form
   82,931.52/124,329.12 = 32,990.16/x
3. Step 3: Cross multiply
   82,931.52x = 124,329.12 × 32,990.16
4. Step 4: Simplify right side
   82,931.52x = 4,101,637,561.46
5. Step 5: Solve for x
   x = 4,101,637,561.46/82,931.52
6. Step 6: Final answer
   x = 49,458.13