Finding the Fourth Proportional to 1,929.40, 2,662.86 and 1,614.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.40 : 2,662.86 = 1,614.20 : x
2. Step 2: Convert to fraction form
   1,929.40/2,662.86 = 1,614.20/x
3. Step 3: Cross multiply
   1,929.40x = 2,662.86 × 1,614.20
4. Step 4: Simplify right side
   1,929.40x = 4,298,388.61
5. Step 5: Solve for x
   x = 4,298,388.61/1,929.40
6. Step 6: Final answer
   x = 2,227.84