Finding the Fourth Proportional to 82,613.40, 123,917.52 and 26,456.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,613.40 : 123,917.52 = 26,456.88 : x
2. Step 2: Convert to fraction form
   82,613.40/123,917.52 = 26,456.88/x
3. Step 3: Cross multiply
   82,613.40x = 123,917.52 × 26,456.88
4. Step 4: Simplify right side
   82,613.40x = 3,278,470,956.54
5. Step 5: Solve for x
   x = 3,278,470,956.54/82,613.40
6. Step 6: Final answer
   x = 39,684.49