Finding the Fourth Proportional to 82,539.27, 123,815.79 and 26,387.37

Step by Step Solution

1. Step 1: Write the proportion equation
   82,539.27 : 123,815.79 = 26,387.37 : x
2. Step 2: Convert to fraction form
   82,539.27/123,815.79 = 26,387.37/x
3. Step 3: Cross multiply
   82,539.27x = 123,815.79 × 26,387.37
4. Step 4: Simplify right side
   82,539.27x = 3,267,173,062.57
5. Step 5: Solve for x
   x = 3,267,173,062.57/82,539.27
6. Step 6: Final answer
   x = 39,583.26