Finding the Fourth Proportional to 9,530.60, 13,147.79 and 5,549.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,530.60 : 13,147.79 = 5,549.31 : x
2. Step 2: Convert to fraction form
   9,530.60/13,147.79 = 5,549.31/x
3. Step 3: Cross multiply
   9,530.60x = 13,147.79 × 5,549.31
4. Step 4: Simplify right side
   9,530.60x = 72,961,134.78
5. Step 5: Solve for x
   x = 72,961,134.78/9,530.60
6. Step 6: Final answer
   x = 7,655.46