Finding the Fourth Proportional to 1,040.12, 1,435.37 and 568.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.12 : 1,435.37 = 568.01 : x
2. Step 2: Convert to fraction form
   1,040.12/1,435.37 = 568.01/x
3. Step 3: Cross multiply
   1,040.12x = 1,435.37 × 568.01
4. Step 4: Simplify right side
   1,040.12x = 815,294.50
5. Step 5: Solve for x
   x = 815,294.50/1,040.12
6. Step 6: Final answer
   x = 783.85