Finding the Fourth Proportional to 2,291.57, 3,157.63 and 1,760.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.57 : 3,157.63 = 1,760.42 : x
2. Step 2: Convert to fraction form
   2,291.57/3,157.63 = 1,760.42/x
3. Step 3: Cross multiply
   2,291.57x = 3,157.63 × 1,760.42
4. Step 4: Simplify right side
   2,291.57x = 5,558,763.96
5. Step 5: Solve for x
   x = 5,558,763.96/2,291.57
6. Step 6: Final answer
   x = 2,425.75