Finding the Fourth Proportional to 3,844.30, 5,754.30 and 3,722.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,844.30 : 5,754.30 = 3,722.80 : x
2. Step 2: Convert to fraction form
   3,844.30/5,754.30 = 3,722.80/x
3. Step 3: Cross multiply
   3,844.30x = 5,754.30 × 3,722.80
4. Step 4: Simplify right side
   3,844.30x = 21,422,108.04
5. Step 5: Solve for x
   x = 21,422,108.04/3,844.30
6. Step 6: Final answer
   x = 5,572.43