Finding the Fourth Proportional to 82,290.32, 123,422.88 and 26,123.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,290.32 : 123,422.88 = 26,123.10 : x
2. Step 2: Convert to fraction form
   82,290.32/123,422.88 = 26,123.10/x
3. Step 3: Cross multiply
   82,290.32x = 123,422.88 × 26,123.10
4. Step 4: Simplify right side
   82,290.32x = 3,224,188,187.55
5. Step 5: Solve for x
   x = 3,224,188,187.55/82,290.32
6. Step 6: Final answer
   x = 39,180.65