Finding the Fourth Proportional to 10,872.38, 15,003.97 and 5,904.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.38 : 15,003.97 = 5,904.38 : x
2. Step 2: Convert to fraction form
   10,872.38/15,003.97 = 5,904.38/x
3. Step 3: Cross multiply
   10,872.38x = 15,003.97 × 5,904.38
4. Step 4: Simplify right side
   10,872.38x = 88,589,050.61
5. Step 5: Solve for x
   x = 88,589,050.61/10,872.38
6. Step 6: Final answer
   x = 8,148.09