Finding the Fourth Proportional to 82,443.76, 123,674.72 and 26,270.80

Step by Step Solution

1. Step 1: Write the proportion equation
   82,443.76 : 123,674.72 = 26,270.80 : x
2. Step 2: Convert to fraction form
   82,443.76/123,674.72 = 26,270.80/x
3. Step 3: Cross multiply
   82,443.76x = 123,674.72 × 26,270.80
4. Step 4: Simplify right side
   82,443.76x = 3,249,033,834.18
5. Step 5: Solve for x
   x = 3,249,033,834.18/82,443.76
6. Step 6: Final answer
   x = 39,409.09