Finding the Fourth Proportional to 8,747.48, 12,072.56 and 4,971.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,747.48 : 12,072.56 = 4,971.82 : x
2. Step 2: Convert to fraction form
   8,747.48/12,072.56 = 4,971.82/x
3. Step 3: Cross multiply
   8,747.48x = 12,072.56 × 4,971.82
4. Step 4: Simplify right side
   8,747.48x = 60,022,595.26
5. Step 5: Solve for x
   x = 60,022,595.26/8,747.48
6. Step 6: Final answer
   x = 6,861.70