Finding the Fourth Proportional to 3,379.39, 5,062.37 and 2,645.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,379.39 : 5,062.37 = 2,645.53 : x
2. Step 2: Convert to fraction form
   3,379.39/5,062.37 = 2,645.53/x
3. Step 3: Cross multiply
   3,379.39x = 5,062.37 × 2,645.53
4. Step 4: Simplify right side
   3,379.39x = 13,392,625.82
5. Step 5: Solve for x
   x = 13,392,625.82/3,379.39
6. Step 6: Final answer
   x = 3,963.03