Finding the Fourth Proportional to 7,101.50, 10,657.71 and 3,208.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,101.50 : 10,657.71 = 3,208.64 : x
2. Step 2: Convert to fraction form
   7,101.50/10,657.71 = 3,208.64/x
3. Step 3: Cross multiply
   7,101.50x = 10,657.71 × 3,208.64
4. Step 4: Simplify right side
   7,101.50x = 34,196,701.33
5. Step 5: Solve for x
   x = 34,196,701.33/7,101.50
6. Step 6: Final answer
   x = 4,815.42