Finding the Fourth Proportional to 10,002.88, 15,013.41 and 5,326.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002.88 : 15,013.41 = 5,326.81 : x
2. Step 2: Convert to fraction form
   10,002.88/15,013.41 = 5,326.81/x
3. Step 3: Cross multiply
   10,002.88x = 15,013.41 × 5,326.81
4. Step 4: Simplify right side
   10,002.88x = 79,973,507.46
5. Step 5: Solve for x
   x = 79,973,507.46/10,002.88
6. Step 6: Final answer
   x = 7,995.05