Finding the Fourth Proportional to 82,017.12, 122,981.93 and 42,476.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,017.12 : 122,981.93 = 42,476.16 : x
2. Step 2: Convert to fraction form
   82,017.12/122,981.93 = 42,476.16/x
3. Step 3: Cross multiply
   82,017.12x = 122,981.93 × 42,476.16
4. Step 4: Simplify right side
   82,017.12x = 5,223,799,520.88
5. Step 5: Solve for x
   x = 5,223,799,520.88/82,017.12
6. Step 6: Final answer
   x = 63,691.58