Finding the Fourth Proportional to 3,580.61, 4,940.80 and 2,088.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,580.61 : 4,940.80 = 2,088.89 : x
2. Step 2: Convert to fraction form
   3,580.61/4,940.80 = 2,088.89/x
3. Step 3: Cross multiply
   3,580.61x = 4,940.80 × 2,088.89
4. Step 4: Simplify right side
   3,580.61x = 10,320,776.31
5. Step 5: Solve for x
   x = 10,320,776.31/3,580.61
6. Step 6: Final answer
   x = 2,882.41