Finding the Fourth Proportional to 3,789.37, 5,229.34 and 2,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.37 : 5,229.34 = 2,111.10 : x
2. Step 2: Convert to fraction form
   3,789.37/5,229.34 = 2,111.10/x
3. Step 3: Cross multiply
   3,789.37x = 5,229.34 × 2,111.10
4. Step 4: Simplify right side
   3,789.37x = 11,039,659.67
5. Step 5: Solve for x
   x = 11,039,659.67/3,789.37
6. Step 6: Final answer
   x = 2,913.32