Finding the Fourth Proportional to 3,807.72, 5,711.24 and 1,342.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,807.72 : 5,711.24 = 1,342.41 : x
2. Step 2: Convert to fraction form
   3,807.72/5,711.24 = 1,342.41/x
3. Step 3: Cross multiply
   3,807.72x = 5,711.24 × 1,342.41
4. Step 4: Simplify right side
   3,807.72x = 7,666,818.98
5. Step 5: Solve for x
   x = 7,666,818.98/3,807.72
6. Step 6: Final answer
   x = 2,013.49