Finding the Fourth Proportional to 12,099.92, 18,153.52 and 10,010.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,099.92 : 18,153.52 = 10,010.48 : x
2. Step 2: Convert to fraction form
   12,099.92/18,153.52 = 10,010.48/x
3. Step 3: Cross multiply
   12,099.92x = 18,153.52 × 10,010.48
4. Step 4: Simplify right side
   12,099.92x = 181,725,448.89
5. Step 5: Solve for x
   x = 181,725,448.89/12,099.92
6. Step 6: Final answer
   x = 15,018.73