Finding the Fourth Proportional to 22,462.72, 30,998.52 and 12,903.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,462.72 : 30,998.52 = 12,903.24 : x
2. Step 2: Convert to fraction form
   22,462.72/30,998.52 = 12,903.24/x
3. Step 3: Cross multiply
   22,462.72x = 30,998.52 × 12,903.24
4. Step 4: Simplify right side
   22,462.72x = 399,981,343.20
5. Step 5: Solve for x
   x = 399,981,343.20/22,462.72
6. Step 6: Final answer
   x = 17,806.45