Finding the Fourth Proportional to 3,687.83, 5,089.30 and 2,009.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687.83 : 5,089.30 = 2,009.30 : x
2. Step 2: Convert to fraction form
   3,687.83/5,089.30 = 2,009.30/x
3. Step 3: Cross multiply
   3,687.83x = 5,089.30 × 2,009.30
4. Step 4: Simplify right side
   3,687.83x = 10,225,930.49
5. Step 5: Solve for x
   x = 10,225,930.49/3,687.83
6. Step 6: Final answer
   x = 2,772.89