Finding the Fourth Proportional to 9,075.66, 12,525.57 and 5,538.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,075.66 : 12,525.57 = 5,538.12 : x
2. Step 2: Convert to fraction form
   9,075.66/12,525.57 = 5,538.12/x
3. Step 3: Cross multiply
   9,075.66x = 12,525.57 × 5,538.12
4. Step 4: Simplify right side
   9,075.66x = 69,368,109.73
5. Step 5: Solve for x
   x = 69,368,109.73/9,075.66
6. Step 6: Final answer
   x = 7,643.31