Finding the Fourth Proportional to 2,271.31, 3,404.53 and 1,174.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.31 : 3,404.53 = 1,174.57 : x
2. Step 2: Convert to fraction form
   2,271.31/3,404.53 = 1,174.57/x
3. Step 3: Cross multiply
   2,271.31x = 3,404.53 × 1,174.57
4. Step 4: Simplify right side
   2,271.31x = 3,998,851.76
5. Step 5: Solve for x
   x = 3,998,851.76/2,271.31
6. Step 6: Final answer
   x = 1,760.59