Finding the Fourth Proportional to 12,243.72, 18,365.70 and 4,849.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,243.72 : 18,365.70 = 4,849.98 : x
2. Step 2: Convert to fraction form
   12,243.72/18,365.70 = 4,849.98/x
3. Step 3: Cross multiply
   12,243.72x = 18,365.70 × 4,849.98
4. Step 4: Simplify right side
   12,243.72x = 89,073,277.69
5. Step 5: Solve for x
   x = 89,073,277.69/12,243.72
6. Step 6: Final answer
   x = 7,275.02