Finding the Fourth Proportional to 2,133.33, 2,938.34 and 1,853.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.33 : 2,938.34 = 1,853.57 : x
2. Step 2: Convert to fraction form
   2,133.33/2,938.34 = 1,853.57/x
3. Step 3: Cross multiply
   2,133.33x = 2,938.34 × 1,853.57
4. Step 4: Simplify right side
   2,133.33x = 5,446,418.87
5. Step 5: Solve for x
   x = 5,446,418.87/2,133.33
6. Step 6: Final answer
   x = 2,553.01