Finding the Fourth Proportional to 2,257.88, 3,116.24 and 1,419.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257.88 : 3,116.24 = 1,419.32 : x
2. Step 2: Convert to fraction form
   2,257.88/3,116.24 = 1,419.32/x
3. Step 3: Cross multiply
   2,257.88x = 3,116.24 × 1,419.32
4. Step 4: Simplify right side
   2,257.88x = 4,422,941.76
5. Step 5: Solve for x
   x = 4,422,941.76/2,257.88
6. Step 6: Final answer
   x = 1,958.89