Finding the Fourth Proportional to 3,434.58, 5,118.15 and 3,339.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434.58 : 5,118.15 = 3,339.54 : x
2. Step 2: Convert to fraction form
   3,434.58/5,118.15 = 3,339.54/x
3. Step 3: Cross multiply
   3,434.58x = 5,118.15 × 3,339.54
4. Step 4: Simplify right side
   3,434.58x = 17,092,266.65
5. Step 5: Solve for x
   x = 17,092,266.65/3,434.58
6. Step 6: Final answer
   x = 4,976.52