Finding the Fourth Proportional to 1,040.17, 1,435.41 and 574.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.17 : 1,435.41 = 574.42 : x
2. Step 2: Convert to fraction form
   1,040.17/1,435.41 = 574.42/x
3. Step 3: Cross multiply
   1,040.17x = 1,435.41 × 574.42
4. Step 4: Simplify right side
   1,040.17x = 824,528.21
5. Step 5: Solve for x
   x = 824,528.21/1,040.17
6. Step 6: Final answer
   x = 792.69