Finding the Fourth Proportional to 3,825.82, 5,279.28 and 2,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,825.82 : 5,279.28 = 2,147.50 : x
2. Step 2: Convert to fraction form
   3,825.82/5,279.28 = 2,147.50/x
3. Step 3: Cross multiply
   3,825.82x = 5,279.28 × 2,147.50
4. Step 4: Simplify right side
   3,825.82x = 11,337,253.80
5. Step 5: Solve for x
   x = 11,337,253.80/3,825.82
6. Step 6: Final answer
   x = 2,963.35