Finding the Fourth Proportional to 3,545.82, 4,890.69 and 2,601.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545.82 : 4,890.69 = 2,601.90 : x
2. Step 2: Convert to fraction form
   3,545.82/4,890.69 = 2,601.90/x
3. Step 3: Cross multiply
   3,545.82x = 4,890.69 × 2,601.90
4. Step 4: Simplify right side
   3,545.82x = 12,725,086.31
5. Step 5: Solve for x
   x = 12,725,086.31/3,545.82
6. Step 6: Final answer
   x = 3,588.76