Finding the Fourth Proportional to 82,730.04, 123,159.36 and 82,237.97

Step by Step Solution

1. Step 1: Write the proportion equation
   82,730.04 : 123,159.36 = 82,237.97 : x
2. Step 2: Convert to fraction form
   82,730.04/123,159.36 = 82,237.97/x
3. Step 3: Cross multiply
   82,730.04x = 123,159.36 × 82,237.97
4. Step 4: Simplify right side
   82,730.04x = 10,128,375,137.10
5. Step 5: Solve for x
   x = 10,128,375,137.10/82,730.04
6. Step 6: Final answer
   x = 122,426.81