Finding the Fourth Proportional to 82,433.76, 123,659.72 and 26,260.80

Step by Step Solution

1. Step 1: Write the proportion equation
   82,433.76 : 123,659.72 = 26,260.80 : x
2. Step 2: Convert to fraction form
   82,433.76/123,659.72 = 26,260.80/x
3. Step 3: Cross multiply
   82,433.76x = 123,659.72 × 26,260.80
4. Step 4: Simplify right side
   82,433.76x = 3,247,403,174.98
5. Step 5: Solve for x
   x = 3,247,403,174.98/82,433.76
6. Step 6: Final answer
   x = 39,394.09