Finding the Fourth Proportional to 2,598.28, 3,585.68 and 1,419.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.28 : 3,585.68 = 1,419.40 : x
2. Step 2: Convert to fraction form
   2,598.28/3,585.68 = 1,419.40/x
3. Step 3: Cross multiply
   2,598.28x = 3,585.68 × 1,419.40
4. Step 4: Simplify right side
   2,598.28x = 5,089,514.19
5. Step 5: Solve for x
   x = 5,089,514.19/2,598.28
6. Step 6: Final answer
   x = 1,958.80