Finding the Fourth Proportional to 2,111.27, 3,162.66 and 1,939.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.27 : 3,162.66 = 1,939.03 : x
2. Step 2: Convert to fraction form
   2,111.27/3,162.66 = 1,939.03/x
3. Step 3: Cross multiply
   2,111.27x = 3,162.66 × 1,939.03
4. Step 4: Simplify right side
   2,111.27x = 6,132,492.62
5. Step 5: Solve for x
   x = 6,132,492.62/2,111.27
6. Step 6: Final answer
   x = 2,904.65