Finding the Fourth Proportional to 10,872.88, 15,004.56 and 5,904.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.88 : 15,004.56 = 5,904.88 : x
2. Step 2: Convert to fraction form
   10,872.88/15,004.56 = 5,904.88/x
3. Step 3: Cross multiply
   10,872.88x = 15,004.56 × 5,904.88
4. Step 4: Simplify right side
   10,872.88x = 88,600,126.25
5. Step 5: Solve for x
   x = 88,600,126.25/10,872.88
6. Step 6: Final answer
   x = 8,148.73