Finding the Fourth Proportional to 1,732.74, 2,610.81 and 1,431.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.74 : 2,610.81 = 1,431.35 : x
2. Step 2: Convert to fraction form
   1,732.74/2,610.81 = 1,431.35/x
3. Step 3: Cross multiply
   1,732.74x = 2,610.81 × 1,431.35
4. Step 4: Simplify right side
   1,732.74x = 3,736,982.89
5. Step 5: Solve for x
   x = 3,736,982.89/1,732.74
6. Step 6: Final answer
   x = 2,156.69