Finding the Fourth Proportional to 11,071.71, 16,610.81 and 3,280.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,071.71 : 16,610.81 = 3,280.73 : x
2. Step 2: Convert to fraction form
   11,071.71/16,610.81 = 3,280.73/x
3. Step 3: Cross multiply
   11,071.71x = 16,610.81 × 3,280.73
4. Step 4: Simplify right side
   11,071.71x = 54,495,483.23
5. Step 5: Solve for x
   x = 54,495,483.23/11,071.71
6. Step 6: Final answer
   x = 4,922.05