Finding the Fourth Proportional to 10,732.72, 14,817.72 and 8,503.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,732.72 : 14,817.72 = 8,503.60 : x
2. Step 2: Convert to fraction form
   10,732.72/14,817.72 = 8,503.60/x
3. Step 3: Cross multiply
   10,732.72x = 14,817.72 × 8,503.60
4. Step 4: Simplify right side
   10,732.72x = 126,003,963.79
5. Step 5: Solve for x
   x = 126,003,963.79/10,732.72
6. Step 6: Final answer
   x = 11,740.17