Finding the Fourth Proportional to 1,016.58, 1,402.86 and 568.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.58 : 1,402.86 = 568.43 : x
2. Step 2: Convert to fraction form
   1,016.58/1,402.86 = 568.43/x
3. Step 3: Cross multiply
   1,016.58x = 1,402.86 × 568.43
4. Step 4: Simplify right side
   1,016.58x = 797,427.71
5. Step 5: Solve for x
   x = 797,427.71/1,016.58
6. Step 6: Final answer
   x = 784.42