Finding the Fourth Proportional to 2,109.52, 3,164.24 and 570.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.52 : 3,164.24 = 570.52 : x
2. Step 2: Convert to fraction form
   2,109.52/3,164.24 = 570.52/x
3. Step 3: Cross multiply
   2,109.52x = 3,164.24 × 570.52
4. Step 4: Simplify right side
   2,109.52x = 1,805,262.20
5. Step 5: Solve for x
   x = 1,805,262.20/2,109.52
6. Step 6: Final answer
   x = 855.77