Finding the Fourth Proportional to 12,127.24, 18,193.52 and 10,902.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,127.24 : 18,193.52 = 10,902.52 : x
2. Step 2: Convert to fraction form
   12,127.24/18,193.52 = 10,902.52/x
3. Step 3: Cross multiply
   12,127.24x = 18,193.52 × 10,902.52
4. Step 4: Simplify right side
   12,127.24x = 198,355,215.67
5. Step 5: Solve for x
   x = 198,355,215.67/12,127.24
6. Step 6: Final answer
   x = 16,356.17