Finding the Fourth Proportional to 10,492.29, 14,480.78 and 9,606.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,492.29 : 14,480.78 = 9,606.51 : x
2. Step 2: Convert to fraction form
   10,492.29/14,480.78 = 9,606.51/x
3. Step 3: Cross multiply
   10,492.29x = 14,480.78 × 9,606.51
4. Step 4: Simplify right side
   10,492.29x = 139,109,709.85
5. Step 5: Solve for x
   x = 139,109,709.85/10,492.29
6. Step 6: Final answer
   x = 13,258.28