Finding the Fourth Proportional to 5,086.52, 7,629.80 and 3,342.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.52 : 7,629.80 = 3,342.56 : x
2. Step 2: Convert to fraction form
   5,086.52/7,629.80 = 3,342.56/x
3. Step 3: Cross multiply
   5,086.52x = 7,629.80 × 3,342.56
4. Step 4: Simplify right side
   5,086.52x = 25,503,064.29
5. Step 5: Solve for x
   x = 25,503,064.29/5,086.52
6. Step 6: Final answer
   x = 5,013.85