Finding the Fourth Proportional to 14,118.30, 21,150.71 and 9,424.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,118.30 : 21,150.71 = 9,424.15 : x
2. Step 2: Convert to fraction form
   14,118.30/21,150.71 = 9,424.15/x
3. Step 3: Cross multiply
   14,118.30x = 21,150.71 × 9,424.15
4. Step 4: Simplify right side
   14,118.30x = 199,327,487.21
5. Step 5: Solve for x
   x = 199,327,487.21/14,118.30
6. Step 6: Final answer
   x = 14,118.38