Finding the Fourth Proportional to 1,630.86, 2,250.72 and 932.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.86 : 2,250.72 = 932.28 : x
2. Step 2: Convert to fraction form
   1,630.86/2,250.72 = 932.28/x
3. Step 3: Cross multiply
   1,630.86x = 2,250.72 × 932.28
4. Step 4: Simplify right side
   1,630.86x = 2,098,301.24
5. Step 5: Solve for x
   x = 2,098,301.24/1,630.86
6. Step 6: Final answer
   x = 1,286.62