Finding the Fourth Proportional to 10,188.14, 14,059.50 and 5,711.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,188.14 : 14,059.50 = 5,711.88 : x
2. Step 2: Convert to fraction form
   10,188.14/14,059.50 = 5,711.88/x
3. Step 3: Cross multiply
   10,188.14x = 14,059.50 × 5,711.88
4. Step 4: Simplify right side
   10,188.14x = 80,306,176.86
5. Step 5: Solve for x
   x = 80,306,176.86/10,188.14
6. Step 6: Final answer
   x = 7,882.32