Finding the Fourth Proportional to 49,153.50, 73,730.52 and 12,217.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,153.50 : 73,730.52 = 12,217.50 : x
2. Step 2: Convert to fraction form
   49,153.50/73,730.52 = 12,217.50/x
3. Step 3: Cross multiply
   49,153.50x = 73,730.52 × 12,217.50
4. Step 4: Simplify right side
   49,153.50x = 900,802,628.10
5. Step 5: Solve for x
   x = 900,802,628.10/49,153.50
6. Step 6: Final answer
   x = 18,326.32