Finding the Fourth Proportional to 3,722.58, 5,578.90 and 1,967.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.58 : 5,578.90 = 1,967.18 : x
2. Step 2: Convert to fraction form
   3,722.58/5,578.90 = 1,967.18/x
3. Step 3: Cross multiply
   3,722.58x = 5,578.90 × 1,967.18
4. Step 4: Simplify right side
   3,722.58x = 10,974,667.69
5. Step 5: Solve for x
   x = 10,974,667.69/3,722.58
6. Step 6: Final answer
   x = 2,948.13