Finding the Fourth Proportional to 10,923.48, 16,388.46 and 5,087.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,923.48 : 16,388.46 = 5,087.16 : x
2. Step 2: Convert to fraction form
   10,923.48/16,388.46 = 5,087.16/x
3. Step 3: Cross multiply
   10,923.48x = 16,388.46 × 5,087.16
4. Step 4: Simplify right side
   10,923.48x = 83,370,718.17
5. Step 5: Solve for x
   x = 83,370,718.17/10,923.48
6. Step 6: Final answer
   x = 7,632.25