Finding the Fourth Proportional to 1,449.02, 2,171.48 and 832.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449.02 : 2,171.48 = 832.91 : x
2. Step 2: Convert to fraction form
   1,449.02/2,171.48 = 832.91/x
3. Step 3: Cross multiply
   1,449.02x = 2,171.48 × 832.91
4. Step 4: Simplify right side
   1,449.02x = 1,808,632.38
5. Step 5: Solve for x
   x = 1,808,632.38/1,449.02
6. Step 6: Final answer
   x = 1,248.18