Finding the Fourth Proportional to 2,211.33, 3,050.37 and 1,381.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211.33 : 3,050.37 = 1,381.89 : x
2. Step 2: Convert to fraction form
   2,211.33/3,050.37 = 1,381.89/x
3. Step 3: Cross multiply
   2,211.33x = 3,050.37 × 1,381.89
4. Step 4: Simplify right side
   2,211.33x = 4,215,275.98
5. Step 5: Solve for x
   x = 4,215,275.98/2,211.33
6. Step 6: Final answer
   x = 1,906.22