Finding the Fourth Proportional to 10,350.04, 14,286.18 and 9,820.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,350.04 : 14,286.18 = 9,820.96 : x
2. Step 2: Convert to fraction form
   10,350.04/14,286.18 = 9,820.96/x
3. Step 3: Cross multiply
   10,350.04x = 14,286.18 × 9,820.96
4. Step 4: Simplify right side
   10,350.04x = 140,304,002.33
5. Step 5: Solve for x
   x = 140,304,002.33/10,350.04
6. Step 6: Final answer
   x = 13,555.89