Finding the Fourth Proportional to 8,744.76, 12,062.52 and 5,605.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,744.76 : 12,062.52 = 5,605.20 : x
2. Step 2: Convert to fraction form
   8,744.76/12,062.52 = 5,605.20/x
3. Step 3: Cross multiply
   8,744.76x = 12,062.52 × 5,605.20
4. Step 4: Simplify right side
   8,744.76x = 67,612,837.10
5. Step 5: Solve for x
   x = 67,612,837.10/8,744.76
6. Step 6: Final answer
   x = 7,731.81