Finding the Fourth Proportional to 2,143.62, 3,211.50 and 1,799.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143.62 : 3,211.50 = 1,799.16 : x
2. Step 2: Convert to fraction form
   2,143.62/3,211.50 = 1,799.16/x
3. Step 3: Cross multiply
   2,143.62x = 3,211.50 × 1,799.16
4. Step 4: Simplify right side
   2,143.62x = 5,778,002.34
5. Step 5: Solve for x
   x = 5,778,002.34/2,143.62
6. Step 6: Final answer
   x = 2,695.44