Finding the Fourth Proportional to 12,711.14, 19,059.02 and 5,689.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,711.14 : 19,059.02 = 5,689.86 : x
2. Step 2: Convert to fraction form
   12,711.14/19,059.02 = 5,689.86/x
3. Step 3: Cross multiply
   12,711.14x = 19,059.02 × 5,689.86
4. Step 4: Simplify right side
   12,711.14x = 108,443,155.54
5. Step 5: Solve for x
   x = 108,443,155.54/12,711.14
6. Step 6: Final answer
   x = 8,531.35