Finding the Fourth Proportional to 1,010.55, 1,394.56 and 568.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010.55 : 1,394.56 = 568.46 : x
2. Step 2: Convert to fraction form
   1,010.55/1,394.56 = 568.46/x
3. Step 3: Cross multiply
   1,010.55x = 1,394.56 × 568.46
4. Step 4: Simplify right side
   1,010.55x = 792,748.56
5. Step 5: Solve for x
   x = 792,748.56/1,010.55
6. Step 6: Final answer
   x = 784.47