Finding the Fourth Proportional to 1,016.07, 1,402.17 and 574.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.07 : 1,402.17 = 574.05 : x
2. Step 2: Convert to fraction form
   1,016.07/1,402.17 = 574.05/x
3. Step 3: Cross multiply
   1,016.07x = 1,402.17 × 574.05
4. Step 4: Simplify right side
   1,016.07x = 804,915.69
5. Step 5: Solve for x
   x = 804,915.69/1,016.07
6. Step 6: Final answer
   x = 792.19