Finding the Fourth Proportional to 2,215.04, 3,320.73 and 1,174.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.04 : 3,320.73 = 1,174.41 : x
2. Step 2: Convert to fraction form
   2,215.04/3,320.73 = 1,174.41/x
3. Step 3: Cross multiply
   2,215.04x = 3,320.73 × 1,174.41
4. Step 4: Simplify right side
   2,215.04x = 3,899,898.52
5. Step 5: Solve for x
   x = 3,899,898.52/2,215.04
6. Step 6: Final answer
   x = 1,760.65