Finding the Fourth Proportional to 2,042.30, 2,817.94 and 1,335.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.30 : 2,817.94 = 1,335.18 : x
2. Step 2: Convert to fraction form
   2,042.30/2,817.94 = 1,335.18/x
3. Step 3: Cross multiply
   2,042.30x = 2,817.94 × 1,335.18
4. Step 4: Simplify right side
   2,042.30x = 3,762,454.77
5. Step 5: Solve for x
   x = 3,762,454.77/2,042.30
6. Step 6: Final answer
   x = 1,842.26