Finding the Fourth Proportional to 8,403.32, 12,604.56 and 2,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,403.32 : 12,604.56 = 2,559.50 : x
2. Step 2: Convert to fraction form
   8,403.32/12,604.56 = 2,559.50/x
3. Step 3: Cross multiply
   8,403.32x = 12,604.56 × 2,559.50
4. Step 4: Simplify right side
   8,403.32x = 32,261,371.32
5. Step 5: Solve for x
   x = 32,261,371.32/8,403.32
6. Step 6: Final answer
   x = 3,839.12