Finding the Fourth Proportional to 1,680.03, 2,514.18 and 1,419.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680.03 : 2,514.18 = 1,419.29 : x
2. Step 2: Convert to fraction form
   1,680.03/2,514.18 = 1,419.29/x
3. Step 3: Cross multiply
   1,680.03x = 2,514.18 × 1,419.29
4. Step 4: Simplify right side
   1,680.03x = 3,568,330.86
5. Step 5: Solve for x
   x = 3,568,330.86/1,680.03
6. Step 6: Final answer
   x = 2,123.97