Finding the Fourth Proportional to 9,089.46, 12,544.40 and 5,555.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,089.46 : 12,544.40 = 5,555.03 : x
2. Step 2: Convert to fraction form
   9,089.46/12,544.40 = 5,555.03/x
3. Step 3: Cross multiply
   9,089.46x = 12,544.40 × 5,555.03
4. Step 4: Simplify right side
   9,089.46x = 69,684,469.50
5. Step 5: Solve for x
   x = 69,684,469.50/9,089.46
6. Step 6: Final answer
   x = 7,666.51