Finding the Fourth Proportional to 11,071.58, 16,610.58 and 3,280.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,071.58 : 16,610.58 = 3,280.58 : x
2. Step 2: Convert to fraction form
   11,071.58/16,610.58 = 3,280.58/x
3. Step 3: Cross multiply
   11,071.58x = 16,610.58 × 3,280.58
4. Step 4: Simplify right side
   11,071.58x = 54,492,336.54
5. Step 5: Solve for x
   x = 54,492,336.54/11,071.58
6. Step 6: Final answer
   x = 4,921.82