Finding the Fourth Proportional to 8,788.56, 12,132.17 and 5,606.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,788.56 : 12,132.17 = 5,606.15 : x
2. Step 2: Convert to fraction form
   8,788.56/12,132.17 = 5,606.15/x
3. Step 3: Cross multiply
   8,788.56x = 12,132.17 × 5,606.15
4. Step 4: Simplify right side
   8,788.56x = 68,014,676.15
5. Step 5: Solve for x
   x = 68,014,676.15/8,788.56
6. Step 6: Final answer
   x = 7,739.00