Finding the Fourth Proportional to 2,016.04, 2,781.95 and 1,131.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.04 : 2,781.95 = 1,131.67 : x
2. Step 2: Convert to fraction form
   2,016.04/2,781.95 = 1,131.67/x
3. Step 3: Cross multiply
   2,016.04x = 2,781.95 × 1,131.67
4. Step 4: Simplify right side
   2,016.04x = 3,148,243.70
5. Step 5: Solve for x
   x = 3,148,243.70/2,016.04
6. Step 6: Final answer
   x = 1,561.60