Finding the Fourth Proportional to 3,722.37, 5,580.59 and 1,872.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.37 : 5,580.59 = 1,872.54 : x
2. Step 2: Convert to fraction form
   3,722.37/5,580.59 = 1,872.54/x
3. Step 3: Cross multiply
   3,722.37x = 5,580.59 × 1,872.54
4. Step 4: Simplify right side
   3,722.37x = 10,449,868.64
5. Step 5: Solve for x
   x = 10,449,868.64/3,722.37
6. Step 6: Final answer
   x = 2,807.32