Finding the Fourth Proportional to 82,623.78, 123,955.92 and 26,464.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,623.78 : 123,955.92 = 26,464.05 : x
2. Step 2: Convert to fraction form
   82,623.78/123,955.92 = 26,464.05/x
3. Step 3: Cross multiply
   82,623.78x = 123,955.92 × 26,464.05
4. Step 4: Simplify right side
   82,623.78x = 3,280,375,664.68
5. Step 5: Solve for x
   x = 3,280,375,664.68/82,623.78
6. Step 6: Final answer
   x = 39,702.56