Finding the Fourth Proportional to 2,142.09, 2,956.28 and 1,302.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.09 : 2,956.28 = 1,302.59 : x
2. Step 2: Convert to fraction form
   2,142.09/2,956.28 = 1,302.59/x
3. Step 3: Cross multiply
   2,142.09x = 2,956.28 × 1,302.59
4. Step 4: Simplify right side
   2,142.09x = 3,850,821.64
5. Step 5: Solve for x
   x = 3,850,821.64/2,142.09
6. Step 6: Final answer
   x = 1,797.69