Finding the Fourth Proportional to 1,757.55, 2,428.89 and 1,442.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.55 : 2,428.89 = 1,442.34 : x
2. Step 2: Convert to fraction form
   1,757.55/2,428.89 = 1,442.34/x
3. Step 3: Cross multiply
   1,757.55x = 2,428.89 × 1,442.34
4. Step 4: Simplify right side
   1,757.55x = 3,503,285.20
5. Step 5: Solve for x
   x = 3,503,285.20/1,757.55
6. Step 6: Final answer
   x = 1,993.28