Finding the Fourth Proportional to 14,131.35, 21,158.06 and 9,444.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,131.35 : 21,158.06 = 9,444.89 : x
2. Step 2: Convert to fraction form
   14,131.35/21,158.06 = 9,444.89/x
3. Step 3: Cross multiply
   14,131.35x = 21,158.06 × 9,444.89
4. Step 4: Simplify right side
   14,131.35x = 199,835,396.30
5. Step 5: Solve for x
   x = 199,835,396.30/14,131.35
6. Step 6: Final answer
   x = 14,141.28