Finding the Fourth Proportional to 1,871.72, 2,582.89 and 1,032.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.72 : 2,582.89 = 1,032.38 : x
2. Step 2: Convert to fraction form
   1,871.72/2,582.89 = 1,032.38/x
3. Step 3: Cross multiply
   1,871.72x = 2,582.89 × 1,032.38
4. Step 4: Simplify right side
   1,871.72x = 2,666,523.98
5. Step 5: Solve for x
   x = 2,666,523.98/1,871.72
6. Step 6: Final answer
   x = 1,424.64