Finding the Fourth Proportional to 11,005.54, 16,510.83 and 3,214.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,005.54 : 16,510.83 = 3,214.42 : x
2. Step 2: Convert to fraction form
   11,005.54/16,510.83 = 3,214.42/x
3. Step 3: Cross multiply
   11,005.54x = 16,510.83 × 3,214.42
4. Step 4: Simplify right side
   11,005.54x = 53,072,742.17
5. Step 5: Solve for x
   x = 53,072,742.17/11,005.54
6. Step 6: Final answer
   x = 4,822.37