Finding the Fourth Proportional to 9,861.49, 14,796.56 and 5,180.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,861.49 : 14,796.56 = 5,180.41 : x
2. Step 2: Convert to fraction form
   9,861.49/14,796.56 = 5,180.41/x
3. Step 3: Cross multiply
   9,861.49x = 14,796.56 × 5,180.41
4. Step 4: Simplify right side
   9,861.49x = 76,652,247.39
5. Step 5: Solve for x
   x = 76,652,247.39/9,861.49
6. Step 6: Final answer
   x = 7,772.89