Finding the Fourth Proportional to 2,190.82, 3,023.04 and 1,405.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.82 : 3,023.04 = 1,405.94 : x
2. Step 2: Convert to fraction form
   2,190.82/3,023.04 = 1,405.94/x
3. Step 3: Cross multiply
   2,190.82x = 3,023.04 × 1,405.94
4. Step 4: Simplify right side
   2,190.82x = 4,250,212.86
5. Step 5: Solve for x
   x = 4,250,212.86/2,190.82
6. Step 6: Final answer
   x = 1,940.01