Finding the Fourth Proportional to 3,789.93, 5,230.02 and 2,111.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.93 : 5,230.02 = 2,111.33 : x
2. Step 2: Convert to fraction form
   3,789.93/5,230.02 = 2,111.33/x
3. Step 3: Cross multiply
   3,789.93x = 5,230.02 × 2,111.33
4. Step 4: Simplify right side
   3,789.93x = 11,042,298.13
5. Step 5: Solve for x
   x = 11,042,298.13/3,789.93
6. Step 6: Final answer
   x = 2,913.59