Finding the Fourth Proportional to 2,112.52, 3,168.74 and 573.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.52 : 3,168.74 = 573.48 : x
2. Step 2: Convert to fraction form
   2,112.52/3,168.74 = 573.48/x
3. Step 3: Cross multiply
   2,112.52x = 3,168.74 × 573.48
4. Step 4: Simplify right side
   2,112.52x = 1,817,209.02
5. Step 5: Solve for x
   x = 1,817,209.02/2,112.52
6. Step 6: Final answer
   x = 860.21