Finding the Fourth Proportional to 1,479.22, 2,041.34 and 816.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.22 : 2,041.34 = 816.12 : x
2. Step 2: Convert to fraction form
   1,479.22/2,041.34 = 816.12/x
3. Step 3: Cross multiply
   1,479.22x = 2,041.34 × 816.12
4. Step 4: Simplify right side
   1,479.22x = 1,665,978.40
5. Step 5: Solve for x
   x = 1,665,978.40/1,479.22
6. Step 6: Final answer
   x = 1,126.25