Finding the Fourth Proportional to 3,825.89, 5,279.68 and 2,147.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,825.89 : 5,279.68 = 2,147.46 : x
2. Step 2: Convert to fraction form
   3,825.89/5,279.68 = 2,147.46/x
3. Step 3: Cross multiply
   3,825.89x = 5,279.68 × 2,147.46
4. Step 4: Simplify right side
   3,825.89x = 11,337,901.61
5. Step 5: Solve for x
   x = 11,337,901.61/3,825.89
6. Step 6: Final answer
   x = 2,963.47