Finding the Fourth Proportional to 1,614.96, 2,230.68 and 1,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.96 : 2,230.68 = 1,404.72 : x
2. Step 2: Convert to fraction form
   1,614.96/2,230.68 = 1,404.72/x
3. Step 3: Cross multiply
   1,614.96x = 2,230.68 × 1,404.72
4. Step 4: Simplify right side
   1,614.96x = 3,133,480.81
5. Step 5: Solve for x
   x = 3,133,480.81/1,614.96
6. Step 6: Final answer
   x = 1,940.28