Finding the Fourth Proportional to 10,716.42, 14,778.78 and 7,353.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,716.42 : 14,778.78 = 7,353.30 : x
2. Step 2: Convert to fraction form
   10,716.42/14,778.78 = 7,353.30/x
3. Step 3: Cross multiply
   10,716.42x = 14,778.78 × 7,353.30
4. Step 4: Simplify right side
   10,716.42x = 108,672,802.97
5. Step 5: Solve for x
   x = 108,672,802.97/10,716.42
6. Step 6: Final answer
   x = 10,140.77