Finding the Fourth Proportional to 10,147.28, 14,003.22 and 5,671.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,147.28 : 14,003.22 = 5,671.03 : x
2. Step 2: Convert to fraction form
   10,147.28/14,003.22 = 5,671.03/x
3. Step 3: Cross multiply
   10,147.28x = 14,003.22 × 5,671.03
4. Step 4: Simplify right side
   10,147.28x = 79,412,680.72
5. Step 5: Solve for x
   x = 79,412,680.72/10,147.28
6. Step 6: Final answer
   x = 7,826.01