Finding the Fourth Proportional to 3,747.30, 5,619.09 and 1,281.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747.30 : 5,619.09 = 1,281.42 : x
2. Step 2: Convert to fraction form
   3,747.30/5,619.09 = 1,281.42/x
3. Step 3: Cross multiply
   3,747.30x = 5,619.09 × 1,281.42
4. Step 4: Simplify right side
   3,747.30x = 7,200,414.31
5. Step 5: Solve for x
   x = 7,200,414.31/3,747.30
6. Step 6: Final answer
   x = 1,921.49