Finding the Fourth Proportional to 16,838.30, 23,224.28 and 12,360.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,838.30 : 23,224.28 = 12,360.62 : x
2. Step 2: Convert to fraction form
   16,838.30/23,224.28 = 12,360.62/x
3. Step 3: Cross multiply
   16,838.30x = 23,224.28 × 12,360.62
4. Step 4: Simplify right side
   16,838.30x = 287,066,499.85
5. Step 5: Solve for x
   x = 287,066,499.85/16,838.30
6. Step 6: Final answer
   x = 17,048.43