Finding the Fourth Proportional to 82,237.20, 123,360.20 and 26,081.57

Step by Step Solution

1. Step 1: Write the proportion equation
   82,237.20 : 123,360.20 = 26,081.57 : x
2. Step 2: Convert to fraction form
   82,237.20/123,360.20 = 26,081.57/x
3. Step 3: Cross multiply
   82,237.20x = 123,360.20 × 26,081.57
4. Step 4: Simplify right side
   82,237.20x = 3,217,427,967.31
5. Step 5: Solve for x
   x = 3,217,427,967.31/82,237.20
6. Step 6: Final answer
   x = 39,123.76