Finding the Fourth Proportional to 9,088.50, 12,544.17 and 5,553.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,088.50 : 12,544.17 = 5,553.77 : x
2. Step 2: Convert to fraction form
   9,088.50/12,544.17 = 5,553.77/x
3. Step 3: Cross multiply
   9,088.50x = 12,544.17 × 5,553.77
4. Step 4: Simplify right side
   9,088.50x = 69,667,351.47
5. Step 5: Solve for x
   x = 69,667,351.47/9,088.50
6. Step 6: Final answer
   x = 7,665.44