Finding the Fourth Proportional to 2,393.55, 3,581.42 and 1,871.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.55 : 3,581.42 = 1,871.91 : x
2. Step 2: Convert to fraction form
   2,393.55/3,581.42 = 1,871.91/x
3. Step 3: Cross multiply
   2,393.55x = 3,581.42 × 1,871.91
4. Step 4: Simplify right side
   2,393.55x = 6,704,086.55
5. Step 5: Solve for x
   x = 6,704,086.55/2,393.55
6. Step 6: Final answer
   x = 2,800.90