Finding the Fourth Proportional to 3,825.50, 5,279.17 and 2,146.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,825.50 : 5,279.17 = 2,146.91 : x
2. Step 2: Convert to fraction form
   3,825.50/5,279.17 = 2,146.91/x
3. Step 3: Cross multiply
   3,825.50x = 5,279.17 × 2,146.91
4. Step 4: Simplify right side
   3,825.50x = 11,333,871.10
5. Step 5: Solve for x
   x = 11,333,871.10/3,825.50
6. Step 6: Final answer
   x = 2,962.71