Finding the Fourth Proportional to 2,142.30, 2,956.41 and 1,302.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.30 : 2,956.41 = 1,302.87 : x
2. Step 2: Convert to fraction form
   2,142.30/2,956.41 = 1,302.87/x
3. Step 3: Cross multiply
   2,142.30x = 2,956.41 × 1,302.87
4. Step 4: Simplify right side
   2,142.30x = 3,851,817.90
5. Step 5: Solve for x
   x = 3,851,817.90/2,142.30
6. Step 6: Final answer
   x = 1,797.98