Finding the Fourth Proportional to 3,938.88, 5,900.16 and 3,822.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938.88 : 5,900.16 = 3,822.24 : x
2. Step 2: Convert to fraction form
   3,938.88/5,900.16 = 3,822.24/x
3. Step 3: Cross multiply
   3,938.88x = 5,900.16 × 3,822.24
4. Step 4: Simplify right side
   3,938.88x = 22,551,827.56
5. Step 5: Solve for x
   x = 22,551,827.56/3,938.88
6. Step 6: Final answer
   x = 5,725.44