Finding the Fourth Proportional to 1,484.92, 2,229.69 and 1,419.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.92 : 2,229.69 = 1,419.20 : x
2. Step 2: Convert to fraction form
   1,484.92/2,229.69 = 1,419.20/x
3. Step 3: Cross multiply
   1,484.92x = 2,229.69 × 1,419.20
4. Step 4: Simplify right side
   1,484.92x = 3,164,364.90
5. Step 5: Solve for x
   x = 3,164,364.90/1,484.92
6. Step 6: Final answer
   x = 2,131.00