Finding the Fourth Proportional to 2,191.96, 3,024.54 and 1,405.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.96 : 3,024.54 = 1,405.84 : x
2. Step 2: Convert to fraction form
   2,191.96/3,024.54 = 1,405.84/x
3. Step 3: Cross multiply
   2,191.96x = 3,024.54 × 1,405.84
4. Step 4: Simplify right side
   2,191.96x = 4,252,019.31
5. Step 5: Solve for x
   x = 4,252,019.31/2,191.96
6. Step 6: Final answer
   x = 1,939.83