Finding the Fourth Proportional to 9,896.56, 14,845.30 and 5,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,896.56 : 14,845.30 = 5,510.72 : x
2. Step 2: Convert to fraction form
   9,896.56/14,845.30 = 5,510.72/x
3. Step 3: Cross multiply
   9,896.56x = 14,845.30 × 5,510.72
4. Step 4: Simplify right side
   9,896.56x = 81,808,291.62
5. Step 5: Solve for x
   x = 81,808,291.62/9,896.56
6. Step 6: Final answer
   x = 8,266.34