Finding the Fourth Proportional to 14,969.58, 20,648.43 and 9,003.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,969.58 : 20,648.43 = 9,003.12 : x
2. Step 2: Convert to fraction form
   14,969.58/20,648.43 = 9,003.12/x
3. Step 3: Cross multiply
   14,969.58x = 20,648.43 × 9,003.12
4. Step 4: Simplify right side
   14,969.58x = 185,900,293.10
5. Step 5: Solve for x
   x = 185,900,293.10/14,969.58
6. Step 6: Final answer
   x = 12,418.54