Finding the Fourth Proportional to 2,580.94, 3,558.33 and 2,108.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.94 : 3,558.33 = 2,108.37 : x
2. Step 2: Convert to fraction form
   2,580.94/3,558.33 = 2,108.37/x
3. Step 3: Cross multiply
   2,580.94x = 3,558.33 × 2,108.37
4. Step 4: Simplify right side
   2,580.94x = 7,502,276.22
5. Step 5: Solve for x
   x = 7,502,276.22/2,580.94
6. Step 6: Final answer
   x = 2,906.80