Finding the Fourth Proportional to 1,612.82, 2,223.65 and 1,373.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612.82 : 2,223.65 = 1,373.31 : x
2. Step 2: Convert to fraction form
   1,612.82/2,223.65 = 1,373.31/x
3. Step 3: Cross multiply
   1,612.82x = 2,223.65 × 1,373.31
4. Step 4: Simplify right side
   1,612.82x = 3,053,753.91
5. Step 5: Solve for x
   x = 3,053,753.91/1,612.82
6. Step 6: Final answer
   x = 1,893.43