Finding the Fourth Proportional to 10,212.48, 15,304.12 and 5,820.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,212.48 : 15,304.12 = 5,820.88 : x
2. Step 2: Convert to fraction form
   10,212.48/15,304.12 = 5,820.88/x
3. Step 3: Cross multiply
   10,212.48x = 15,304.12 × 5,820.88
4. Step 4: Simplify right side
   10,212.48x = 89,083,446.03
5. Step 5: Solve for x
   x = 89,083,446.03/10,212.48
6. Step 6: Final answer
   x = 8,723.00