Finding the Fourth Proportional to 8,647.71, 12,969.15 and 3,716.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,647.71 : 12,969.15 = 3,716.25 : x
2. Step 2: Convert to fraction form
   8,647.71/12,969.15 = 3,716.25/x
3. Step 3: Cross multiply
   8,647.71x = 12,969.15 × 3,716.25
4. Step 4: Simplify right side
   8,647.71x = 48,196,603.69
5. Step 5: Solve for x
   x = 48,196,603.69/8,647.71
6. Step 6: Final answer
   x = 5,573.34