Finding the Fourth Proportional to 2,116.02, 2,919.87 and 1,171.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.02 : 2,919.87 = 1,171.83 : x
2. Step 2: Convert to fraction form
   2,116.02/2,919.87 = 1,171.83/x
3. Step 3: Cross multiply
   2,116.02x = 2,919.87 × 1,171.83
4. Step 4: Simplify right side
   2,116.02x = 3,421,591.26
5. Step 5: Solve for x
   x = 3,421,591.26/2,116.02
6. Step 6: Final answer
   x = 1,616.99