Finding the Fourth Proportional to 2,254.50, 3,381.78 and 1,479.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.50 : 3,381.78 = 1,479.42 : x
2. Step 2: Convert to fraction form
   2,254.50/3,381.78 = 1,479.42/x
3. Step 3: Cross multiply
   2,254.50x = 3,381.78 × 1,479.42
4. Step 4: Simplify right side
   2,254.50x = 5,003,072.97
5. Step 5: Solve for x
   x = 5,003,072.97/2,254.50
6. Step 6: Final answer
   x = 2,219.15