Finding the Fourth Proportional to 3,688.03, 5,089.42 and 2,009.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688.03 : 5,089.42 = 2,009.45 : x
2. Step 2: Convert to fraction form
   3,688.03/5,089.42 = 2,009.45/x
3. Step 3: Cross multiply
   3,688.03x = 5,089.42 × 2,009.45
4. Step 4: Simplify right side
   3,688.03x = 10,226,958.82
5. Step 5: Solve for x
   x = 10,226,958.82/3,688.03
6. Step 6: Final answer
   x = 2,773.01