Finding the Fourth Proportional to 8,839.47, 13,259.12 and 2,265.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,839.47 : 13,259.12 = 2,265.56 : x
2. Step 2: Convert to fraction form
   8,839.47/13,259.12 = 2,265.56/x
3. Step 3: Cross multiply
   8,839.47x = 13,259.12 × 2,265.56
4. Step 4: Simplify right side
   8,839.47x = 30,039,331.91
5. Step 5: Solve for x
   x = 30,039,331.91/8,839.47
6. Step 6: Final answer
   x = 3,398.32