Finding the Fourth Proportional to 2,718.93, 4,077.57 and 1,419.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,718.93 : 4,077.57 = 1,419.69 : x
2. Step 2: Convert to fraction form
   2,718.93/4,077.57 = 1,419.69/x
3. Step 3: Cross multiply
   2,718.93x = 4,077.57 × 1,419.69
4. Step 4: Simplify right side
   2,718.93x = 5,788,885.35
5. Step 5: Solve for x
   x = 5,788,885.35/2,718.93
6. Step 6: Final answer
   x = 2,129.10