Finding the Fourth Proportional to 2,604.37, 3,907.01 and 1,680.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.37 : 3,907.01 = 1,680.82 : x
2. Step 2: Convert to fraction form
   2,604.37/3,907.01 = 1,680.82/x
3. Step 3: Cross multiply
   2,604.37x = 3,907.01 × 1,680.82
4. Step 4: Simplify right side
   2,604.37x = 6,566,952.61
5. Step 5: Solve for x
   x = 6,566,952.61/2,604.37
6. Step 6: Final answer
   x = 2,521.52