Finding the Fourth Proportional to 10,147.88, 14,002.37 and 5,671.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,147.88 : 14,002.37 = 5,671.67 : x
2. Step 2: Convert to fraction form
   10,147.88/14,002.37 = 5,671.67/x
3. Step 3: Cross multiply
   10,147.88x = 14,002.37 × 5,671.67
4. Step 4: Simplify right side
   10,147.88x = 79,416,793.50
5. Step 5: Solve for x
   x = 79,416,793.50/10,147.88
6. Step 6: Final answer
   x = 7,825.95