Finding the Fourth Proportional to 1,016.34, 1,402.53 and 574.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.34 : 1,402.53 = 574.25 : x
2. Step 2: Convert to fraction form
   1,016.34/1,402.53 = 574.25/x
3. Step 3: Cross multiply
   1,016.34x = 1,402.53 × 574.25
4. Step 4: Simplify right side
   1,016.34x = 805,402.85
5. Step 5: Solve for x
   x = 805,402.85/1,016.34
6. Step 6: Final answer
   x = 792.45