Finding the Fourth Proportional to 2,538.46, 3,503.06 and 1,419.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.46 : 3,503.06 = 1,419.40 : x
2. Step 2: Convert to fraction form
   2,538.46/3,503.06 = 1,419.40/x
3. Step 3: Cross multiply
   2,538.46x = 3,503.06 × 1,419.40
4. Step 4: Simplify right side
   2,538.46x = 4,972,236.27
5. Step 5: Solve for x
   x = 4,972,236.27/2,538.46
6. Step 6: Final answer
   x = 1,958.76