Finding the Fourth Proportional to 2,128.35, 3,192.29 and 568.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.35 : 3,192.29 = 568.52 : x
2. Step 2: Convert to fraction form
   2,128.35/3,192.29 = 568.52/x
3. Step 3: Cross multiply
   2,128.35x = 3,192.29 × 568.52
4. Step 4: Simplify right side
   2,128.35x = 1,814,880.71
5. Step 5: Solve for x
   x = 1,814,880.71/2,128.35
6. Step 6: Final answer
   x = 852.72