Finding the Fourth Proportional to 82,593.74, 123,899.69 and 26,420.65

Step by Step Solution

1. Step 1: Write the proportion equation
   82,593.74 : 123,899.69 = 26,420.65 : x
2. Step 2: Convert to fraction form
   82,593.74/123,899.69 = 26,420.65/x
3. Step 3: Cross multiply
   82,593.74x = 123,899.69 × 26,420.65
4. Step 4: Simplify right side
   82,593.74x = 3,273,510,100.90
5. Step 5: Solve for x
   x = 3,273,510,100.90/82,593.74
6. Step 6: Final answer
   x = 39,633.88