Finding the Fourth Proportional to 10,993.41, 16,485.94 and 3,971.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,993.41 : 16,485.94 = 3,971.52 : x
2. Step 2: Convert to fraction form
   10,993.41/16,485.94 = 3,971.52/x
3. Step 3: Cross multiply
   10,993.41x = 16,485.94 × 3,971.52
4. Step 4: Simplify right side
   10,993.41x = 65,474,240.43
5. Step 5: Solve for x
   x = 65,474,240.43/10,993.41
6. Step 6: Final answer
   x = 5,955.77