Finding the Fourth Proportional to 10,433.51, 14,398.61 and 5,717.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,433.51 : 14,398.61 = 5,717.79 : x
2. Step 2: Convert to fraction form
   10,433.51/14,398.61 = 5,717.79/x
3. Step 3: Cross multiply
   10,433.51x = 14,398.61 × 5,717.79
4. Step 4: Simplify right side
   10,433.51x = 82,328,231.85
5. Step 5: Solve for x
   x = 82,328,231.85/10,433.51
6. Step 6: Final answer
   x = 7,890.75