Finding the Fourth Proportional to 2,061.62, 2,842.86 and 1,315.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.62 : 2,842.86 = 1,315.61 : x
2. Step 2: Convert to fraction form
   2,061.62/2,842.86 = 1,315.61/x
3. Step 3: Cross multiply
   2,061.62x = 2,842.86 × 1,315.61
4. Step 4: Simplify right side
   2,061.62x = 3,740,097.22
5. Step 5: Solve for x
   x = 3,740,097.22/2,061.62
6. Step 6: Final answer
   x = 1,814.15