Finding the Fourth Proportional to 2,080.72, 2,870.23 and 1,333.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.72 : 2,870.23 = 1,333.83 : x
2. Step 2: Convert to fraction form
   2,080.72/2,870.23 = 1,333.83/x
3. Step 3: Cross multiply
   2,080.72x = 2,870.23 × 1,333.83
4. Step 4: Simplify right side
   2,080.72x = 3,828,398.88
5. Step 5: Solve for x
   x = 3,828,398.88/2,080.72
6. Step 6: Final answer
   x = 1,839.94