Finding the Fourth Proportional to 2,861.34, 3,948.81 and 1,742.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,861.34 : 3,948.81 = 1,742.10 : x
2. Step 2: Convert to fraction form
   2,861.34/3,948.81 = 1,742.10/x
3. Step 3: Cross multiply
   2,861.34x = 3,948.81 × 1,742.10
4. Step 4: Simplify right side
   2,861.34x = 6,879,221.90
5. Step 5: Solve for x
   x = 6,879,221.90/2,861.34
6. Step 6: Final answer
   x = 2,404.20