Finding the Fourth Proportional to 2,006.83, 2,996.91 and 1,985.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006.83 : 2,996.91 = 1,985.11 : x
2. Step 2: Convert to fraction form
   2,006.83/2,996.91 = 1,985.11/x
3. Step 3: Cross multiply
   2,006.83x = 2,996.91 × 1,985.11
4. Step 4: Simplify right side
   2,006.83x = 5,949,196.01
5. Step 5: Solve for x
   x = 5,949,196.01/2,006.83
6. Step 6: Final answer
   x = 2,964.47