Finding the Fourth Proportional to 3,825.98, 5,279.91 and 2,147.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,825.98 : 5,279.91 = 2,147.29 : x
2. Step 2: Convert to fraction form
   3,825.98/5,279.91 = 2,147.29/x
3. Step 3: Cross multiply
   3,825.98x = 5,279.91 × 2,147.29
4. Step 4: Simplify right side
   3,825.98x = 11,337,476.69
5. Step 5: Solve for x
   x = 11,337,476.69/3,825.98
6. Step 6: Final answer
   x = 2,963.29