Finding the Fourth Proportional to 12,142.86, 16,757.70 and 7,362.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,142.86 : 16,757.70 = 7,362.94 : x
2. Step 2: Convert to fraction form
   12,142.86/16,757.70 = 7,362.94/x
3. Step 3: Cross multiply
   12,142.86x = 16,757.70 × 7,362.94
4. Step 4: Simplify right side
   12,142.86x = 123,385,939.64
5. Step 5: Solve for x
   x = 123,385,939.64/12,142.86
6. Step 6: Final answer
   x = 10,161.19