Finding the Fourth Proportional to 14,401.98, 19,877.31 and 8,433.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,401.98 : 19,877.31 = 8,433.30 : x
2. Step 2: Convert to fraction form
   14,401.98/19,877.31 = 8,433.30/x
3. Step 3: Cross multiply
   14,401.98x = 19,877.31 × 8,433.30
4. Step 4: Simplify right side
   14,401.98x = 167,631,318.42
5. Step 5: Solve for x
   x = 167,631,318.42/14,401.98
6. Step 6: Final answer
   x = 11,639.46