Finding the Fourth Proportional to 9,760.16, 13,469.28 and 5,510.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.16 : 13,469.28 = 5,510.88 : x
2. Step 2: Convert to fraction form
   9,760.16/13,469.28 = 5,510.88/x
3. Step 3: Cross multiply
   9,760.16x = 13,469.28 × 5,510.88
4. Step 4: Simplify right side
   9,760.16x = 74,227,585.77
5. Step 5: Solve for x
   x = 74,227,585.77/9,760.16
6. Step 6: Final answer
   x = 7,605.16