Finding the Fourth Proportional to 2,407.74, 3,609.18 and 1,174.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.74 : 3,609.18 = 1,174.38 : x
2. Step 2: Convert to fraction form
   2,407.74/3,609.18 = 1,174.38/x
3. Step 3: Cross multiply
   2,407.74x = 3,609.18 × 1,174.38
4. Step 4: Simplify right side
   2,407.74x = 4,238,548.81
5. Step 5: Solve for x
   x = 4,238,548.81/2,407.74
6. Step 6: Final answer
   x = 1,760.38