Finding the Fourth Proportional to 2,081.18, 2,871.33 and 1,335.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.18 : 2,871.33 = 1,335.54 : x
2. Step 2: Convert to fraction form
   2,081.18/2,871.33 = 1,335.54/x
3. Step 3: Cross multiply
   2,081.18x = 2,871.33 × 1,335.54
4. Step 4: Simplify right side
   2,081.18x = 3,834,776.07
5. Step 5: Solve for x
   x = 3,834,776.07/2,081.18
6. Step 6: Final answer
   x = 1,842.60