Finding the Fourth Proportional to 10,395.28, 14,345.28 and 5,679.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,395.28 : 14,345.28 = 5,679.52 : x
2. Step 2: Convert to fraction form
   10,395.28/14,345.28 = 5,679.52/x
3. Step 3: Cross multiply
   10,395.28x = 14,345.28 × 5,679.52
4. Step 4: Simplify right side
   10,395.28x = 81,474,304.67
5. Step 5: Solve for x
   x = 81,474,304.67/10,395.28
6. Step 6: Final answer
   x = 7,837.62