Finding the Fourth Proportional to 11,071.56, 16,610.60 and 3,280.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,071.56 : 16,610.60 = 3,280.58 : x
2. Step 2: Convert to fraction form
   11,071.56/16,610.60 = 3,280.58/x
3. Step 3: Cross multiply
   11,071.56x = 16,610.60 × 3,280.58
4. Step 4: Simplify right side
   11,071.56x = 54,492,402.15
5. Step 5: Solve for x
   x = 54,492,402.15/11,071.56
6. Step 6: Final answer
   x = 4,921.84