Finding the Fourth Proportional to 1,016.25, 1,402.42 and 574.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.25 : 1,402.42 = 574.14 : x
2. Step 2: Convert to fraction form
   1,016.25/1,402.42 = 574.14/x
3. Step 3: Cross multiply
   1,016.25x = 1,402.42 × 574.14
4. Step 4: Simplify right side
   1,016.25x = 805,185.42
5. Step 5: Solve for x
   x = 805,185.42/1,016.25
6. Step 6: Final answer
   x = 792.31