Finding the Fourth Proportional to 1,704.10, 2,350.78 and 1,144.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,704.10 : 2,350.78 = 1,144.63 : x
2. Step 2: Convert to fraction form
   1,704.10/2,350.78 = 1,144.63/x
3. Step 3: Cross multiply
   1,704.10x = 2,350.78 × 1,144.63
4. Step 4: Simplify right side
   1,704.10x = 2,690,773.31
5. Step 5: Solve for x
   x = 2,690,773.31/1,704.10
6. Step 6: Final answer
   x = 1,579.00