Finding the Fourth Proportional to 9,544.53, 13,152.06 and 7,860.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,544.53 : 13,152.06 = 7,860.54 : x
2. Step 2: Convert to fraction form
   9,544.53/13,152.06 = 7,860.54/x
3. Step 3: Cross multiply
   9,544.53x = 13,152.06 × 7,860.54
4. Step 4: Simplify right side
   9,544.53x = 103,382,293.71
5. Step 5: Solve for x
   x = 103,382,293.71/9,544.53
6. Step 6: Final answer
   x = 10,831.58