Finding the Fourth Proportional to 82,411.78, 123,576.72 and 26,244.55

Step by Step Solution

1. Step 1: Write the proportion equation
   82,411.78 : 123,576.72 = 26,244.55 : x
2. Step 2: Convert to fraction form
   82,411.78/123,576.72 = 26,244.55/x
3. Step 3: Cross multiply
   82,411.78x = 123,576.72 × 26,244.55
4. Step 4: Simplify right side
   82,411.78x = 3,243,215,406.88
5. Step 5: Solve for x
   x = 3,243,215,406.88/82,411.78
6. Step 6: Final answer
   x = 39,353.78