Finding the Fourth Proportional to 82,726.25, 123,153.80 and 82,234.17

Step by Step Solution

1. Step 1: Write the proportion equation
   82,726.25 : 123,153.80 = 82,234.17 : x
2. Step 2: Convert to fraction form
   82,726.25/123,153.80 = 82,234.17/x
3. Step 3: Cross multiply
   82,726.25x = 123,153.80 × 82,234.17
4. Step 4: Simplify right side
   82,726.25x = 10,127,450,114.18
5. Step 5: Solve for x
   x = 10,127,450,114.18/82,726.25
6. Step 6: Final answer
   x = 122,421.25