Finding the Fourth Proportional to 3,641.34, 5,463.63 and 1,909.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,641.34 : 5,463.63 = 1,909.56 : x
2. Step 2: Convert to fraction form
   3,641.34/5,463.63 = 1,909.56/x
3. Step 3: Cross multiply
   3,641.34x = 5,463.63 × 1,909.56
4. Step 4: Simplify right side
   3,641.34x = 10,433,129.30
5. Step 5: Solve for x
   x = 10,433,129.30/3,641.34
6. Step 6: Final answer
   x = 2,865.19