Finding the Fourth Proportional to 2,142.28, 2,955.46 and 1,302.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.28 : 2,955.46 = 1,302.68 : x
2. Step 2: Convert to fraction form
   2,142.28/2,955.46 = 1,302.68/x
3. Step 3: Cross multiply
   2,142.28x = 2,955.46 × 1,302.68
4. Step 4: Simplify right side
   2,142.28x = 3,850,018.63
5. Step 5: Solve for x
   x = 3,850,018.63/2,142.28
6. Step 6: Final answer
   x = 1,797.16