Finding the Fourth Proportional to 1,612.96, 2,227.20 and 1,314.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612.96 : 2,227.20 = 1,314.25 : x
2. Step 2: Convert to fraction form
   1,612.96/2,227.20 = 1,314.25/x
3. Step 3: Cross multiply
   1,612.96x = 2,227.20 × 1,314.25
4. Step 4: Simplify right side
   1,612.96x = 2,927,093.37
5. Step 5: Solve for x
   x = 2,927,093.37/1,612.96
6. Step 6: Final answer
   x = 1,814.73