Finding the Fourth Proportional to 1,010.54, 1,394.59 and 568.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010.54 : 1,394.59 = 568.46 : x
2. Step 2: Convert to fraction form
   1,010.54/1,394.59 = 568.46/x
3. Step 3: Cross multiply
   1,010.54x = 1,394.59 × 568.46
4. Step 4: Simplify right side
   1,010.54x = 792,768.63
5. Step 5: Solve for x
   x = 792,768.63/1,010.54
6. Step 6: Final answer
   x = 784.50