Finding the Fourth Proportional to 10,321.51, 14,243.75 and 5,605.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,321.51 : 14,243.75 = 5,605.79 : x
2. Step 2: Convert to fraction form
   10,321.51/14,243.75 = 5,605.79/x
3. Step 3: Cross multiply
   10,321.51x = 14,243.75 × 5,605.79
4. Step 4: Simplify right side
   10,321.51x = 79,847,443.28
5. Step 5: Solve for x
   x = 79,847,443.28/10,321.51
6. Step 6: Final answer
   x = 7,736.03