Finding the Fourth Proportional to 8,549.29, 11,788.72 and 5,559.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,549.29 : 11,788.72 = 5,559.58 : x
2. Step 2: Convert to fraction form
   8,549.29/11,788.72 = 5,559.58/x
3. Step 3: Cross multiply
   8,549.29x = 11,788.72 × 5,559.58
4. Step 4: Simplify right side
   8,549.29x = 65,540,332.77
5. Step 5: Solve for x
   x = 65,540,332.77/8,549.29
6. Step 6: Final answer
   x = 7,666.17