Finding the Fourth Proportional to 836.03, 1,152.72 and 570.18

Step by Step Solution

1. Step 1: Write the proportion equation
   836.03 : 1,152.72 = 570.18 : x
2. Step 2: Convert to fraction form
   836.03/1,152.72 = 570.18/x
3. Step 3: Cross multiply
   836.03x = 1,152.72 × 570.18
4. Step 4: Simplify right side
   836.03x = 657,257.89
5. Step 5: Solve for x
   x = 657,257.89/836.03
6. Step 6: Final answer
   x = 786.17