Finding the Fourth Proportional to 2,142.59, 2,956.97 and 1,303.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.59 : 2,956.97 = 1,303.10 : x
2. Step 2: Convert to fraction form
   2,142.59/2,956.97 = 1,303.10/x
3. Step 3: Cross multiply
   2,142.59x = 2,956.97 × 1,303.10
4. Step 4: Simplify right side
   2,142.59x = 3,853,206.31
5. Step 5: Solve for x
   x = 3,853,206.31/2,142.59
6. Step 6: Final answer
   x = 1,798.39