Finding the Fourth Proportional to 82,819.14, 124,211.25 and 26,664.27

Step by Step Solution

1. Step 1: Write the proportion equation
   82,819.14 : 124,211.25 = 26,664.27 : x
2. Step 2: Convert to fraction form
   82,819.14/124,211.25 = 26,664.27/x
3. Step 3: Cross multiply
   82,819.14x = 124,211.25 × 26,664.27
4. Step 4: Simplify right side
   82,819.14x = 3,312,002,307.04
5. Step 5: Solve for x
   x = 3,312,002,307.04/82,819.14
6. Step 6: Final answer
   x = 39,990.78