Finding the Fourth Proportional to 9,665.16, 14,491.92 and 5,276.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.16 : 14,491.92 = 5,276.52 : x
2. Step 2: Convert to fraction form
   9,665.16/14,491.92 = 5,276.52/x
3. Step 3: Cross multiply
   9,665.16x = 14,491.92 × 5,276.52
4. Step 4: Simplify right side
   9,665.16x = 76,466,905.72
5. Step 5: Solve for x
   x = 76,466,905.72/9,665.16
6. Step 6: Final answer
   x = 7,911.60