Finding the Fourth Proportional to 10,872.25, 15,003.71 and 5,904.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.25 : 15,003.71 = 5,904.25 : x
2. Step 2: Convert to fraction form
   10,872.25/15,003.71 = 5,904.25/x
3. Step 3: Cross multiply
   10,872.25x = 15,003.71 × 5,904.25
4. Step 4: Simplify right side
   10,872.25x = 88,585,625.25
5. Step 5: Solve for x
   x = 88,585,625.25/10,872.25
6. Step 6: Final answer
   x = 8,147.87