Finding the Fourth Proportional to 2,644.48, 3,963.86 and 1,181.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.48 : 3,963.86 = 1,181.62 : x
2. Step 2: Convert to fraction form
   2,644.48/3,963.86 = 1,181.62/x
3. Step 3: Cross multiply
   2,644.48x = 3,963.86 × 1,181.62
4. Step 4: Simplify right side
   2,644.48x = 4,683,776.25
5. Step 5: Solve for x
   x = 4,683,776.25/2,644.48
6. Step 6: Final answer
   x = 1,771.15