Finding the Fourth Proportional to 8,378.22, 12,563.49 and 5,002.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,378.22 : 12,563.49 = 5,002.55 : x
2. Step 2: Convert to fraction form
   8,378.22/12,563.49 = 5,002.55/x
3. Step 3: Cross multiply
   8,378.22x = 12,563.49 × 5,002.55
4. Step 4: Simplify right side
   8,378.22x = 62,849,453.57
5. Step 5: Solve for x
   x = 62,849,453.57/8,378.22
6. Step 6: Final answer
   x = 7,501.53