Finding the Fourth Proportional to 14,398.04, 19,869.71 and 8,429.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,398.04 : 19,869.71 = 8,429.96 : x
2. Step 2: Convert to fraction form
   14,398.04/19,869.71 = 8,429.96/x
3. Step 3: Cross multiply
   14,398.04x = 19,869.71 × 8,429.96
4. Step 4: Simplify right side
   14,398.04x = 167,500,868.04
5. Step 5: Solve for x
   x = 167,500,868.04/14,398.04
6. Step 6: Final answer
   x = 11,633.59