Finding the Fourth Proportional to 10,838.82, 16,247.64 and 5,291.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,838.82 : 16,247.64 = 5,291.94 : x
2. Step 2: Convert to fraction form
   10,838.82/16,247.64 = 5,291.94/x
3. Step 3: Cross multiply
   10,838.82x = 16,247.64 × 5,291.94
4. Step 4: Simplify right side
   10,838.82x = 85,981,536.02
5. Step 5: Solve for x
   x = 85,981,536.02/10,838.82
6. Step 6: Final answer
   x = 7,932.74