Finding the Fourth Proportional to 8,402.52, 12,603.82 and 2,559.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,402.52 : 12,603.82 = 2,559.12 : x
2. Step 2: Convert to fraction form
   8,402.52/12,603.82 = 2,559.12/x
3. Step 3: Cross multiply
   8,402.52x = 12,603.82 × 2,559.12
4. Step 4: Simplify right side
   8,402.52x = 32,254,687.84
5. Step 5: Solve for x
   x = 32,254,687.84/8,402.52
6. Step 6: Final answer
   x = 3,838.69