Finding the Fourth Proportional to 9,120.80, 13,675.72 and 3,567.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,120.80 : 13,675.72 = 3,567.52 : x
2. Step 2: Convert to fraction form
   9,120.80/13,675.72 = 3,567.52/x
3. Step 3: Cross multiply
   9,120.80x = 13,675.72 × 3,567.52
4. Step 4: Simplify right side
   9,120.80x = 48,788,404.61
5. Step 5: Solve for x
   x = 48,788,404.61/9,120.80
6. Step 6: Final answer
   x = 5,349.14