Finding the Fourth Proportional to 8,481.72, 12,700.82 and 5,551.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,481.72 : 12,700.82 = 5,551.48 : x
2. Step 2: Convert to fraction form
   8,481.72/12,700.82 = 5,551.48/x
3. Step 3: Cross multiply
   8,481.72x = 12,700.82 × 5,551.48
4. Step 4: Simplify right side
   8,481.72x = 70,508,348.21
5. Step 5: Solve for x
   x = 70,508,348.21/8,481.72
6. Step 6: Final answer
   x = 8,312.98