Finding the Fourth Proportional to 9,081.21, 12,532.55 and 5,544.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.21 : 12,532.55 = 5,544.21 : x
2. Step 2: Convert to fraction form
   9,081.21/12,532.55 = 5,544.21/x
3. Step 3: Cross multiply
   9,081.21x = 12,532.55 × 5,544.21
4. Step 4: Simplify right side
   9,081.21x = 69,483,061.31
5. Step 5: Solve for x
   x = 69,483,061.31/9,081.21
6. Step 6: Final answer
   x = 7,651.30