Finding the Fourth Proportional to 2,580.89, 3,871.53 and 732.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.89 : 3,871.53 = 732.02 : x
2. Step 2: Convert to fraction form
   2,580.89/3,871.53 = 732.02/x
3. Step 3: Cross multiply
   2,580.89x = 3,871.53 × 732.02
4. Step 4: Simplify right side
   2,580.89x = 2,834,018.03
5. Step 5: Solve for x
   x = 2,834,018.03/2,580.89
6. Step 6: Final answer
   x = 1,098.08