Finding the Fourth Proportional to 1,016.32, 1,402.50 and 574.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.32 : 1,402.50 = 574.22 : x
2. Step 2: Convert to fraction form
   1,016.32/1,402.50 = 574.22/x
3. Step 3: Cross multiply
   1,016.32x = 1,402.50 × 574.22
4. Step 4: Simplify right side
   1,016.32x = 805,343.55
5. Step 5: Solve for x
   x = 805,343.55/1,016.32
6. Step 6: Final answer
   x = 792.41