Finding the Fourth Proportional to 2,703.59, 4,052.58 and 1,142.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,703.59 : 4,052.58 = 1,142.30 : x
2. Step 2: Convert to fraction form
   2,703.59/4,052.58 = 1,142.30/x
3. Step 3: Cross multiply
   2,703.59x = 4,052.58 × 1,142.30
4. Step 4: Simplify right side
   2,703.59x = 4,629,237.59
5. Step 5: Solve for x
   x = 4,629,237.59/2,703.59
6. Step 6: Final answer
   x = 1,712.25