Finding the Fourth Proportional to 82,505.76, 123,778.80 and 26,345.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,505.76 : 123,778.80 = 26,345.88 : x
2. Step 2: Convert to fraction form
   82,505.76/123,778.80 = 26,345.88/x
3. Step 3: Cross multiply
   82,505.76x = 123,778.80 × 26,345.88
4. Step 4: Simplify right side
   82,505.76x = 3,261,061,411.34
5. Step 5: Solve for x
   x = 3,261,061,411.34/82,505.76
6. Step 6: Final answer
   x = 39,525.26