Finding the Fourth Proportional to 3,381.89, 5,073.56 and 1,434.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,381.89 : 5,073.56 = 1,434.05 : x
2. Step 2: Convert to fraction form
   3,381.89/5,073.56 = 1,434.05/x
3. Step 3: Cross multiply
   3,381.89x = 5,073.56 × 1,434.05
4. Step 4: Simplify right side
   3,381.89x = 7,275,738.72
5. Step 5: Solve for x
   x = 7,275,738.72/3,381.89
6. Step 6: Final answer
   x = 2,151.38