Finding the Fourth Proportional to 10,339.28, 14,268.16 and 5,623.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,339.28 : 14,268.16 = 5,623.56 : x
2. Step 2: Convert to fraction form
   10,339.28/14,268.16 = 5,623.56/x
3. Step 3: Cross multiply
   10,339.28x = 14,268.16 × 5,623.56
4. Step 4: Simplify right side
   10,339.28x = 80,237,853.85
5. Step 5: Solve for x
   x = 80,237,853.85/10,339.28
6. Step 6: Final answer
   x = 7,760.49