Finding the Fourth Proportional to 10,147.30, 14,003.01 and 5,671.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,147.30 : 14,003.01 = 5,671.07 : x
2. Step 2: Convert to fraction form
   10,147.30/14,003.01 = 5,671.07/x
3. Step 3: Cross multiply
   10,147.30x = 14,003.01 × 5,671.07
4. Step 4: Simplify right side
   10,147.30x = 79,412,049.92
5. Step 5: Solve for x
   x = 79,412,049.92/10,147.30
6. Step 6: Final answer
   x = 7,825.93