Finding the Fourth Proportional to 10,993.30, 16,483.78 and 4,749.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,993.30 : 16,483.78 = 4,749.41 : x
2. Step 2: Convert to fraction form
   10,993.30/16,483.78 = 4,749.41/x
3. Step 3: Cross multiply
   10,993.30x = 16,483.78 × 4,749.41
4. Step 4: Simplify right side
   10,993.30x = 78,288,276.72
5. Step 5: Solve for x
   x = 78,288,276.72/10,993.30
6. Step 6: Final answer
   x = 7,121.46