Finding the Fourth Proportional to 10,643.88, 14,689.31 and 5,929.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,643.88 : 14,689.31 = 5,929.14 : x
2. Step 2: Convert to fraction form
   10,643.88/14,689.31 = 5,929.14/x
3. Step 3: Cross multiply
   10,643.88x = 14,689.31 × 5,929.14
4. Step 4: Simplify right side
   10,643.88x = 87,094,945.85
5. Step 5: Solve for x
   x = 87,094,945.85/10,643.88
6. Step 6: Final answer
   x = 8,182.63