Finding the Fourth Proportional to 2,191.92, 3,023.10 and 1,406.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.92 : 3,023.10 = 1,406.04 : x
2. Step 2: Convert to fraction form
   2,191.92/3,023.10 = 1,406.04/x
3. Step 3: Cross multiply
   2,191.92x = 3,023.10 × 1,406.04
4. Step 4: Simplify right side
   2,191.92x = 4,250,599.52
5. Step 5: Solve for x
   x = 4,250,599.52/2,191.92
6. Step 6: Final answer
   x = 1,939.21