Finding the Fourth Proportional to 2,298.57, 3,170.91 and 1,412.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.57 : 3,170.91 = 1,412.83 : x
2. Step 2: Convert to fraction form
   2,298.57/3,170.91 = 1,412.83/x
3. Step 3: Cross multiply
   2,298.57x = 3,170.91 × 1,412.83
4. Step 4: Simplify right side
   2,298.57x = 4,479,966.04
5. Step 5: Solve for x
   x = 4,479,966.04/2,298.57
6. Step 6: Final answer
   x = 1,949.03