Finding the Fourth Proportional to 3,687.50, 5,088.78 and 2,008.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687.50 : 5,088.78 = 2,008.89 : x
2. Step 2: Convert to fraction form
   3,687.50/5,088.78 = 2,008.89/x
3. Step 3: Cross multiply
   3,687.50x = 5,088.78 × 2,008.89
4. Step 4: Simplify right side
   3,687.50x = 10,222,789.21
5. Step 5: Solve for x
   x = 10,222,789.21/3,687.50
6. Step 6: Final answer
   x = 2,772.28