Finding the Fourth Proportional to 82,540.76, 123,818.04 and 26,388.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,540.76 : 123,818.04 = 26,388.86 : x
2. Step 2: Convert to fraction form
   82,540.76/123,818.04 = 26,388.86/x
3. Step 3: Cross multiply
   82,540.76x = 123,818.04 × 26,388.86
4. Step 4: Simplify right side
   82,540.76x = 3,267,416,303.94
5. Step 5: Solve for x
   x = 3,267,416,303.94/82,540.76
6. Step 6: Final answer
   x = 39,585.49