Finding the Fourth Proportional to 1,016.19, 1,402.34 and 574.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.19 : 1,402.34 = 574.18 : x
2. Step 2: Convert to fraction form
   1,016.19/1,402.34 = 574.18/x
3. Step 3: Cross multiply
   1,016.19x = 1,402.34 × 574.18
4. Step 4: Simplify right side
   1,016.19x = 805,189.20
5. Step 5: Solve for x
   x = 805,189.20/1,016.19
6. Step 6: Final answer
   x = 792.36