Finding the Fourth Proportional to 8,830.05, 12,185.42 and 5,247.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,830.05 : 12,185.42 = 5,247.46 : x
2. Step 2: Convert to fraction form
   8,830.05/12,185.42 = 5,247.46/x
3. Step 3: Cross multiply
   8,830.05x = 12,185.42 × 5,247.46
4. Step 4: Simplify right side
   8,830.05x = 63,942,493.03
5. Step 5: Solve for x
   x = 63,942,493.03/8,830.05
6. Step 6: Final answer
   x = 7,241.47