Finding the Fourth Proportional to 82,471.94, 123,647.38 and 26,279.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,471.94 : 123,647.38 = 26,279.72 : x
2. Step 2: Convert to fraction form
   82,471.94/123,647.38 = 26,279.72/x
3. Step 3: Cross multiply
   82,471.94x = 123,647.38 × 26,279.72
4. Step 4: Simplify right side
   82,471.94x = 3,249,418,525.13
5. Step 5: Solve for x
   x = 3,249,418,525.13/82,471.94
6. Step 6: Final answer
   x = 39,400.29