Finding the Fourth Proportional to 22,463.43, 30,998.49 and 12,896.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,463.43 : 30,998.49 = 12,896.59 : x
2. Step 2: Convert to fraction form
   22,463.43/30,998.49 = 12,896.59/x
3. Step 3: Cross multiply
   22,463.43x = 30,998.49 × 12,896.59
4. Step 4: Simplify right side
   22,463.43x = 399,774,841.80
5. Step 5: Solve for x
   x = 399,774,841.80/22,463.43
6. Step 6: Final answer
   x = 17,796.69