Finding the Fourth Proportional to 1,451.89, 2,004.21 and 1,032.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.89 : 2,004.21 = 1,032.31 : x
2. Step 2: Convert to fraction form
   1,451.89/2,004.21 = 1,032.31/x
3. Step 3: Cross multiply
   1,451.89x = 2,004.21 × 1,032.31
4. Step 4: Simplify right side
   1,451.89x = 2,068,966.03
5. Step 5: Solve for x
   x = 2,068,966.03/1,451.89
6. Step 6: Final answer
   x = 1,425.02