Finding the Fourth Proportional to 9,896.72, 14,845.54 and 5,510.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,896.72 : 14,845.54 = 5,510.87 : x
2. Step 2: Convert to fraction form
   9,896.72/14,845.54 = 5,510.87/x
3. Step 3: Cross multiply
   9,896.72x = 14,845.54 × 5,510.87
4. Step 4: Simplify right side
   9,896.72x = 81,811,841.02
5. Step 5: Solve for x
   x = 81,811,841.02/9,896.72
6. Step 6: Final answer
   x = 8,266.56