Finding the Fourth Proportional to 9,931.98, 13,710.42 and 6,576.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,931.98 : 13,710.42 = 6,576.42 : x
2. Step 2: Convert to fraction form
   9,931.98/13,710.42 = 6,576.42/x
3. Step 3: Cross multiply
   9,931.98x = 13,710.42 × 6,576.42
4. Step 4: Simplify right side
   9,931.98x = 90,165,480.30
5. Step 5: Solve for x
   x = 90,165,480.30/9,931.98
6. Step 6: Final answer
   x = 9,078.30