Finding the Fourth Proportional to 4,105.42, 6,156.54 and 1,331.43

Step by Step Solution

1. Step 1: Write the proportion equation
   4,105.42 : 6,156.54 = 1,331.43 : x
2. Step 2: Convert to fraction form
   4,105.42/6,156.54 = 1,331.43/x
3. Step 3: Cross multiply
   4,105.42x = 6,156.54 × 1,331.43
4. Step 4: Simplify right side
   4,105.42x = 8,196,971.27
5. Step 5: Solve for x
   x = 8,196,971.27/4,105.42
6. Step 6: Final answer
   x = 1,996.62