Finding the Fourth Proportional to 2,080.62, 2,871.18 and 1,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.62 : 2,871.18 = 1,381.50 : x
2. Step 2: Convert to fraction form
   2,080.62/2,871.18 = 1,381.50/x
3. Step 3: Cross multiply
   2,080.62x = 2,871.18 × 1,381.50
4. Step 4: Simplify right side
   2,080.62x = 3,966,535.17
5. Step 5: Solve for x
   x = 3,966,535.17/2,080.62
6. Step 6: Final answer
   x = 1,906.42