Finding the Fourth Proportional to 10,339.66, 14,268.72 and 5,623.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,339.66 : 14,268.72 = 5,623.98 : x
2. Step 2: Convert to fraction form
   10,339.66/14,268.72 = 5,623.98/x
3. Step 3: Cross multiply
   10,339.66x = 14,268.72 × 5,623.98
4. Step 4: Simplify right side
   10,339.66x = 80,246,995.91
5. Step 5: Solve for x
   x = 80,246,995.91/10,339.66
6. Step 6: Final answer
   x = 7,761.09