Finding the Fourth Proportional to 10,339.59, 14,268.57 and 5,623.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,339.59 : 14,268.57 = 5,623.89 : x
2. Step 2: Convert to fraction form
   10,339.59/14,268.57 = 5,623.89/x
3. Step 3: Cross multiply
   10,339.59x = 14,268.57 × 5,623.89
4. Step 4: Simplify right side
   10,339.59x = 80,244,868.14
5. Step 5: Solve for x
   x = 80,244,868.14/10,339.59
6. Step 6: Final answer
   x = 7,760.93