Finding the Fourth Proportional to 9,542.48, 13,167.96 and 5,509.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,542.48 : 13,167.96 = 5,509.47 : x
2. Step 2: Convert to fraction form
   9,542.48/13,167.96 = 5,509.47/x
3. Step 3: Cross multiply
   9,542.48x = 13,167.96 × 5,509.47
4. Step 4: Simplify right side
   9,542.48x = 72,548,503.93
5. Step 5: Solve for x
   x = 72,548,503.93/9,542.48
6. Step 6: Final answer
   x = 7,602.69