Finding the Fourth Proportional to 11,007.78, 16,510.50 and 3,110.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,007.78 : 16,510.50 = 3,110.10 : x
2. Step 2: Convert to fraction form
   11,007.78/16,510.50 = 3,110.10/x
3. Step 3: Cross multiply
   11,007.78x = 16,510.50 × 3,110.10
4. Step 4: Simplify right side
   11,007.78x = 51,349,306.05
5. Step 5: Solve for x
   x = 51,349,306.05/11,007.78
6. Step 6: Final answer
   x = 4,664.82