Finding the Fourth Proportional to 2,061.76, 2,843.95 and 1,353.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.76 : 2,843.95 = 1,353.65 : x
2. Step 2: Convert to fraction form
   2,061.76/2,843.95 = 1,353.65/x
3. Step 3: Cross multiply
   2,061.76x = 2,843.95 × 1,353.65
4. Step 4: Simplify right side
   2,061.76x = 3,849,712.92
5. Step 5: Solve for x
   x = 3,849,712.92/2,061.76
6. Step 6: Final answer
   x = 1,867.20