Finding the Fourth Proportional to 9,508.60, 13,119.75 and 5,530.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,508.60 : 13,119.75 = 5,530.06 : x
2. Step 2: Convert to fraction form
   9,508.60/13,119.75 = 5,530.06/x
3. Step 3: Cross multiply
   9,508.60x = 13,119.75 × 5,530.06
4. Step 4: Simplify right side
   9,508.60x = 72,553,004.69
5. Step 5: Solve for x
   x = 72,553,004.69/9,508.60
6. Step 6: Final answer
   x = 7,630.25