Finding the Fourth Proportional to 3,458.43, 5,187.73 and 3,392.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,458.43 : 5,187.73 = 3,392.82 : x
2. Step 2: Convert to fraction form
   3,458.43/5,187.73 = 3,392.82/x
3. Step 3: Cross multiply
   3,458.43x = 5,187.73 × 3,392.82
4. Step 4: Simplify right side
   3,458.43x = 17,601,034.10
5. Step 5: Solve for x
   x = 17,601,034.10/3,458.43
6. Step 6: Final answer
   x = 5,089.31