Finding the Fourth Proportional to 8,860.34, 12,233.15 and 5,508.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,860.34 : 12,233.15 = 5,508.15 : x
2. Step 2: Convert to fraction form
   8,860.34/12,233.15 = 5,508.15/x
3. Step 3: Cross multiply
   8,860.34x = 12,233.15 × 5,508.15
4. Step 4: Simplify right side
   8,860.34x = 67,381,997.63
5. Step 5: Solve for x
   x = 67,381,997.63/8,860.34
6. Step 6: Final answer
   x = 7,604.90