Finding the Fourth Proportional to 10,906.02, 16,356.78 and 3,113.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,906.02 : 16,356.78 = 3,113.10 : x
2. Step 2: Convert to fraction form
   10,906.02/16,356.78 = 3,113.10/x
3. Step 3: Cross multiply
   10,906.02x = 16,356.78 × 3,113.10
4. Step 4: Simplify right side
   10,906.02x = 50,920,291.82
5. Step 5: Solve for x
   x = 50,920,291.82/10,906.02
6. Step 6: Final answer
   x = 4,669.01