Finding the Fourth Proportional to 10,882.15, 16,317.75 and 5,042.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,882.15 : 16,317.75 = 5,042.86 : x
2. Step 2: Convert to fraction form
   10,882.15/16,317.75 = 5,042.86/x
3. Step 3: Cross multiply
   10,882.15x = 16,317.75 × 5,042.86
4. Step 4: Simplify right side
   10,882.15x = 82,288,106.88
5. Step 5: Solve for x
   x = 82,288,106.88/10,882.15
6. Step 6: Final answer
   x = 7,561.75