Finding the Fourth Proportional to 10,339.79, 14,268.96 and 5,623.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,339.79 : 14,268.96 = 5,623.97 : x
2. Step 2: Convert to fraction form
   10,339.79/14,268.96 = 5,623.97/x
3. Step 3: Cross multiply
   10,339.79x = 14,268.96 × 5,623.97
4. Step 4: Simplify right side
   10,339.79x = 80,248,131.63
5. Step 5: Solve for x
   x = 80,248,131.63/10,339.79
6. Step 6: Final answer
   x = 7,761.10