Finding the Fourth Proportional to 14,484.72, 19,971.90 and 9,441.84

Step by Step Solution

1. Step 1: Write the proportion equation
   14,484.72 : 19,971.90 = 9,441.84 : x
2. Step 2: Convert to fraction form
   14,484.72/19,971.90 = 9,441.84/x
3. Step 3: Cross multiply
   14,484.72x = 19,971.90 × 9,441.84
4. Step 4: Simplify right side
   14,484.72x = 188,571,484.30
5. Step 5: Solve for x
   x = 188,571,484.30/14,484.72
6. Step 6: Final answer
   x = 13,018.65