Finding the Fourth Proportional to 8,404.26, 12,607.76 and 2,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.26 : 12,607.76 = 2,559.50 : x
2. Step 2: Convert to fraction form
   8,404.26/12,607.76 = 2,559.50/x
3. Step 3: Cross multiply
   8,404.26x = 12,607.76 × 2,559.50
4. Step 4: Simplify right side
   8,404.26x = 32,269,561.72
5. Step 5: Solve for x
   x = 32,269,561.72/8,404.26
6. Step 6: Final answer
   x = 3,839.67