Finding the Fourth Proportional to 1,056.38, 1,583.35 and 568.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056.38 : 1,583.35 = 568.42 : x
2. Step 2: Convert to fraction form
   1,056.38/1,583.35 = 568.42/x
3. Step 3: Cross multiply
   1,056.38x = 1,583.35 × 568.42
4. Step 4: Simplify right side
   1,056.38x = 900,002.43
5. Step 5: Solve for x
   x = 900,002.43/1,056.38
6. Step 6: Final answer
   x = 851.97