Finding the Fourth Proportional to 3,805.76, 5,710.40 and 1,342.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,805.76 : 5,710.40 = 1,342.42 : x
2. Step 2: Convert to fraction form
   3,805.76/5,710.40 = 1,342.42/x
3. Step 3: Cross multiply
   3,805.76x = 5,710.40 × 1,342.42
4. Step 4: Simplify right side
   3,805.76x = 7,665,755.17
5. Step 5: Solve for x
   x = 7,665,755.17/3,805.76
6. Step 6: Final answer
   x = 2,014.25