Finding the Fourth Proportional to 1,479.43, 2,041.57 and 816.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.43 : 2,041.57 = 816.24 : x
2. Step 2: Convert to fraction form
   1,479.43/2,041.57 = 816.24/x
3. Step 3: Cross multiply
   1,479.43x = 2,041.57 × 816.24
4. Step 4: Simplify right side
   1,479.43x = 1,666,411.10
5. Step 5: Solve for x
   x = 1,666,411.10/1,479.43
6. Step 6: Final answer
   x = 1,126.39