Finding the Fourth Proportional to 9,665.64, 14,500.28 and 5,510.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.64 : 14,500.28 = 5,510.34 : x
2. Step 2: Convert to fraction form
   9,665.64/14,500.28 = 5,510.34/x
3. Step 3: Cross multiply
   9,665.64x = 14,500.28 × 5,510.34
4. Step 4: Simplify right side
   9,665.64x = 79,901,486.67
5. Step 5: Solve for x
   x = 79,901,486.67/9,665.64
6. Step 6: Final answer
   x = 8,266.55