Finding the Fourth Proportional to 3,665.72, 5,497.42 and 1,933.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.72 : 5,497.42 = 1,933.40 : x
2. Step 2: Convert to fraction form
   3,665.72/5,497.42 = 1,933.40/x
3. Step 3: Cross multiply
   3,665.72x = 5,497.42 × 1,933.40
4. Step 4: Simplify right side
   3,665.72x = 10,628,711.83
5. Step 5: Solve for x
   x = 10,628,711.83/3,665.72
6. Step 6: Final answer
   x = 2,899.49