Finding the Fourth Proportional to 82,639, 123,909.20 and 32,726.26

Step by Step Solution

1. Step 1: Write the proportion equation
   82,639 : 123,909.20 = 32,726.26 : x
2. Step 2: Convert to fraction form
   82,639/123,909.20 = 32,726.26/x
3. Step 3: Cross multiply
   82,639x = 123,909.20 × 32,726.26
4. Step 4: Simplify right side
   82,639x = 4,055,084,695.59
5. Step 5: Solve for x
   x = 4,055,084,695.59/82,639
6. Step 6: Final answer
   x = 49,069.87