Finding the Fourth Proportional to 10,327, 14,288.79 and 9,003.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,327 : 14,288.79 = 9,003.46 : x
2. Step 2: Convert to fraction form
   10,327/14,288.79 = 9,003.46/x
3. Step 3: Cross multiply
   10,327x = 14,288.79 × 9,003.46
4. Step 4: Simplify right side
   10,327x = 128,648,549.21
5. Step 5: Solve for x
   x = 128,648,549.21/10,327
6. Step 6: Final answer
   x = 12,457.49