Finding the Fourth Proportional to 1,479.52, 2,041.76 and 816.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.52 : 2,041.76 = 816.43 : x
2. Step 2: Convert to fraction form
   1,479.52/2,041.76 = 816.43/x
3. Step 3: Cross multiply
   1,479.52x = 2,041.76 × 816.43
4. Step 4: Simplify right side
   1,479.52x = 1,666,950.29
5. Step 5: Solve for x
   x = 1,666,950.29/1,479.52
6. Step 6: Final answer
   x = 1,126.69