Finding the Fourth Proportional to 3,818.62, 5,719.82 and 2,174.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.62 : 5,719.82 = 2,174.32 : x
2. Step 2: Convert to fraction form
   3,818.62/5,719.82 = 2,174.32/x
3. Step 3: Cross multiply
   3,818.62x = 5,719.82 × 2,174.32
4. Step 4: Simplify right side
   3,818.62x = 12,436,719.02
5. Step 5: Solve for x
   x = 12,436,719.02/3,818.62
6. Step 6: Final answer
   x = 3,256.86