Finding the Fourth Proportional to 2,419.38, 3,630.06 and 1,120.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.38 : 3,630.06 = 1,120.05 : x
2. Step 2: Convert to fraction form
   2,419.38/3,630.06 = 1,120.05/x
3. Step 3: Cross multiply
   2,419.38x = 3,630.06 × 1,120.05
4. Step 4: Simplify right side
   2,419.38x = 4,065,848.70
5. Step 5: Solve for x
   x = 4,065,848.70/2,419.38
6. Step 6: Final answer
   x = 1,680.53