Finding the Fourth Proportional to 2,016.15, 2,782.23 and 1,176.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.15 : 2,782.23 = 1,176.90 : x
2. Step 2: Convert to fraction form
   2,016.15/2,782.23 = 1,176.90/x
3. Step 3: Cross multiply
   2,016.15x = 2,782.23 × 1,176.90
4. Step 4: Simplify right side
   2,016.15x = 3,274,406.49
5. Step 5: Solve for x
   x = 3,274,406.49/2,016.15
6. Step 6: Final answer
   x = 1,624.09