Finding the Fourth Proportional to 1,630.32, 2,247.73 and 1,039.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.32 : 2,247.73 = 1,039.83 : x
2. Step 2: Convert to fraction form
   1,630.32/2,247.73 = 1,039.83/x
3. Step 3: Cross multiply
   1,630.32x = 2,247.73 × 1,039.83
4. Step 4: Simplify right side
   1,630.32x = 2,337,251.89
5. Step 5: Solve for x
   x = 2,337,251.89/1,630.32
6. Step 6: Final answer
   x = 1,433.62