Finding the Fourth Proportional to 10,321.23, 14,243.24 and 5,605.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,321.23 : 14,243.24 = 5,605.47 : x
2. Step 2: Convert to fraction form
   10,321.23/14,243.24 = 5,605.47/x
3. Step 3: Cross multiply
   10,321.23x = 14,243.24 × 5,605.47
4. Step 4: Simplify right side
   10,321.23x = 79,840,026.50
5. Step 5: Solve for x
   x = 79,840,026.50/10,321.23
6. Step 6: Final answer
   x = 7,735.51