Finding the Fourth Proportional to 1,411.39, 2,119.47 and 924.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.39 : 2,119.47 = 924.18 : x
2. Step 2: Convert to fraction form
   1,411.39/2,119.47 = 924.18/x
3. Step 3: Cross multiply
   1,411.39x = 2,119.47 × 924.18
4. Step 4: Simplify right side
   1,411.39x = 1,958,771.78
5. Step 5: Solve for x
   x = 1,958,771.78/1,411.39
6. Step 6: Final answer
   x = 1,387.83