Finding the Fourth Proportional to 82,426.15, 123,637.88 and 26,265.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,426.15 : 123,637.88 = 26,265.50 : x
2. Step 2: Convert to fraction form
   82,426.15/123,637.88 = 26,265.50/x
3. Step 3: Cross multiply
   82,426.15x = 123,637.88 × 26,265.50
4. Step 4: Simplify right side
   82,426.15x = 3,247,410,737.14
5. Step 5: Solve for x
   x = 3,247,410,737.14/82,426.15
6. Step 6: Final answer
   x = 39,397.82