Finding the Fourth Proportional to 10,339.31, 14,268.29 and 5,623.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,339.31 : 14,268.29 = 5,623.58 : x
2. Step 2: Convert to fraction form
   10,339.31/14,268.29 = 5,623.58/x
3. Step 3: Cross multiply
   10,339.31x = 14,268.29 × 5,623.58
4. Step 4: Simplify right side
   10,339.31x = 80,238,770.82
5. Step 5: Solve for x
   x = 80,238,770.82/10,339.31
6. Step 6: Final answer
   x = 7,760.56