Finding the Fourth Proportional to 9,510.19, 13,121.42 and 5,476.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,510.19 : 13,121.42 = 5,476.85 : x
2. Step 2: Convert to fraction form
   9,510.19/13,121.42 = 5,476.85/x
3. Step 3: Cross multiply
   9,510.19x = 13,121.42 × 5,476.85
4. Step 4: Simplify right side
   9,510.19x = 71,863,983.52
5. Step 5: Solve for x
   x = 71,863,983.52/9,510.19
6. Step 6: Final answer
   x = 7,556.53