Finding the Fourth Proportional to 2,387.64, 3,293.73 and 1,630.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.64 : 3,293.73 = 1,630.83 : x
2. Step 2: Convert to fraction form
   2,387.64/3,293.73 = 1,630.83/x
3. Step 3: Cross multiply
   2,387.64x = 3,293.73 × 1,630.83
4. Step 4: Simplify right side
   2,387.64x = 5,371,513.70
5. Step 5: Solve for x
   x = 5,371,513.70/2,387.64
6. Step 6: Final answer
   x = 2,249.72