Finding the Fourth Proportional to 9,560.18, 13,192.56 and 5,311.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,560.18 : 13,192.56 = 5,311.51 : x
2. Step 2: Convert to fraction form
   9,560.18/13,192.56 = 5,311.51/x
3. Step 3: Cross multiply
   9,560.18x = 13,192.56 × 5,311.51
4. Step 4: Simplify right side
   9,560.18x = 70,072,348.40
5. Step 5: Solve for x
   x = 70,072,348.40/9,560.18
6. Step 6: Final answer
   x = 7,329.61