Finding the Fourth Proportional to 2,119.04, 2,922.90 and 1,331.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.04 : 2,922.90 = 1,331.72 : x
2. Step 2: Convert to fraction form
   2,119.04/2,922.90 = 1,331.72/x
3. Step 3: Cross multiply
   2,119.04x = 2,922.90 × 1,331.72
4. Step 4: Simplify right side
   2,119.04x = 3,892,469.77
5. Step 5: Solve for x
   x = 3,892,469.77/2,119.04
6. Step 6: Final answer
   x = 1,836.91