Finding the Fourth Proportional to 3,665.40, 5,498.34 and 1,474.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.40 : 5,498.34 = 1,474.12 : x
2. Step 2: Convert to fraction form
   3,665.40/5,498.34 = 1,474.12/x
3. Step 3: Cross multiply
   3,665.40x = 5,498.34 × 1,474.12
4. Step 4: Simplify right side
   3,665.40x = 8,105,212.96
5. Step 5: Solve for x
   x = 8,105,212.96/3,665.40
6. Step 6: Final answer
   x = 2,211.28