Finding the Fourth Proportional to 2,119.22, 2,924.22 and 1,174.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.22 : 2,924.22 = 1,174.78 : x
2. Step 2: Convert to fraction form
   2,119.22/2,924.22 = 1,174.78/x
3. Step 3: Cross multiply
   2,119.22x = 2,924.22 × 1,174.78
4. Step 4: Simplify right side
   2,119.22x = 3,435,315.17
5. Step 5: Solve for x
   x = 3,435,315.17/2,119.22
6. Step 6: Final answer
   x = 1,621.03