Finding the Fourth Proportional to 82,531.76, 123,804.54 and 26,379.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,531.76 : 123,804.54 = 26,379.86 : x
2. Step 2: Convert to fraction form
   82,531.76/123,804.54 = 26,379.86/x
3. Step 3: Cross multiply
   82,531.76x = 123,804.54 × 26,379.86
4. Step 4: Simplify right side
   82,531.76x = 3,265,945,813.54
5. Step 5: Solve for x
   x = 3,265,945,813.54/82,531.76
6. Step 6: Final answer
   x = 39,571.99