Finding the Fourth Proportional to 9,560.13, 13,192.56 and 5,311.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,560.13 : 13,192.56 = 5,311.47 : x
2. Step 2: Convert to fraction form
   9,560.13/13,192.56 = 5,311.47/x
3. Step 3: Cross multiply
   9,560.13x = 13,192.56 × 5,311.47
4. Step 4: Simplify right side
   9,560.13x = 70,071,886.66
5. Step 5: Solve for x
   x = 70,071,886.66/9,560.13
6. Step 6: Final answer
   x = 7,329.60