Finding the Fourth Proportional to 3,669.72, 5,507.01 and 1,939.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.72 : 5,507.01 = 1,939.56 : x
2. Step 2: Convert to fraction form
   3,669.72/5,507.01 = 1,939.56/x
3. Step 3: Cross multiply
   3,669.72x = 5,507.01 × 1,939.56
4. Step 4: Simplify right side
   3,669.72x = 10,681,176.32
5. Step 5: Solve for x
   x = 10,681,176.32/3,669.72
6. Step 6: Final answer
   x = 2,910.62