Finding the Fourth Proportional to 2,013.43, 3,020.98 and 887.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.43 : 3,020.98 = 887.12 : x
2. Step 2: Convert to fraction form
   2,013.43/3,020.98 = 887.12/x
3. Step 3: Cross multiply
   2,013.43x = 3,020.98 × 887.12
4. Step 4: Simplify right side
   2,013.43x = 2,679,971.78
5. Step 5: Solve for x
   x = 2,679,971.78/2,013.43
6. Step 6: Final answer
   x = 1,331.05