Finding the Fourth Proportional to 2,983.62, 4,473.78 and 1,228.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.62 : 4,473.78 = 1,228.14 : x
2. Step 2: Convert to fraction form
   2,983.62/4,473.78 = 1,228.14/x
3. Step 3: Cross multiply
   2,983.62x = 4,473.78 × 1,228.14
4. Step 4: Simplify right side
   2,983.62x = 5,494,428.17
5. Step 5: Solve for x
   x = 5,494,428.17/2,983.62
6. Step 6: Final answer
   x = 1,841.53