Finding the Fourth Proportional to 9,075.62, 12,525.71 and 5,540.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,075.62 : 12,525.71 = 5,540.88 : x
2. Step 2: Convert to fraction form
   9,075.62/12,525.71 = 5,540.88/x
3. Step 3: Cross multiply
   9,075.62x = 12,525.71 × 5,540.88
4. Step 4: Simplify right side
   9,075.62x = 69,403,456.02
5. Step 5: Solve for x
   x = 69,403,456.02/9,075.62
6. Step 6: Final answer
   x = 7,647.24