Finding the Fourth Proportional to 10,857.38, 14,983.18 and 6,141.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,857.38 : 14,983.18 = 6,141.69 : x
2. Step 2: Convert to fraction form
   10,857.38/14,983.18 = 6,141.69/x
3. Step 3: Cross multiply
   10,857.38x = 14,983.18 × 6,141.69
4. Step 4: Simplify right side
   10,857.38x = 92,022,031.42
5. Step 5: Solve for x
   x = 92,022,031.42/10,857.38
6. Step 6: Final answer
   x = 8,475.53