Finding the Fourth Proportional to 10,601.37, 15,902.51 and 3,581.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,601.37 : 15,902.51 = 3,581.55 : x
2. Step 2: Convert to fraction form
   10,601.37/15,902.51 = 3,581.55/x
3. Step 3: Cross multiply
   10,601.37x = 15,902.51 × 3,581.55
4. Step 4: Simplify right side
   10,601.37x = 56,955,616.78
5. Step 5: Solve for x
   x = 56,955,616.78/10,601.37
6. Step 6: Final answer
   x = 5,372.48