Finding the Fourth Proportional to 8,648.06, 12,977.34 and 3,453.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,648.06 : 12,977.34 = 3,453.50 : x
2. Step 2: Convert to fraction form
   8,648.06/12,977.34 = 3,453.50/x
3. Step 3: Cross multiply
   8,648.06x = 12,977.34 × 3,453.50
4. Step 4: Simplify right side
   8,648.06x = 44,817,243.69
5. Step 5: Solve for x
   x = 44,817,243.69/8,648.06
6. Step 6: Final answer
   x = 5,182.35