Finding the Fourth Proportional to 2,081.29, 2,871.30 and 1,335.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.29 : 2,871.30 = 1,335.01 : x
2. Step 2: Convert to fraction form
   2,081.29/2,871.30 = 1,335.01/x
3. Step 3: Cross multiply
   2,081.29x = 2,871.30 × 1,335.01
4. Step 4: Simplify right side
   2,081.29x = 3,833,214.21
5. Step 5: Solve for x
   x = 3,833,214.21/2,081.29
6. Step 6: Final answer
   x = 1,841.75