Finding the Fourth Proportional to 1,016.67, 1,523.98 and 942.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.67 : 1,523.98 = 942.11 : x
2. Step 2: Convert to fraction form
   1,016.67/1,523.98 = 942.11/x
3. Step 3: Cross multiply
   1,016.67x = 1,523.98 × 942.11
4. Step 4: Simplify right side
   1,016.67x = 1,435,756.80
5. Step 5: Solve for x
   x = 1,435,756.80/1,016.67
6. Step 6: Final answer
   x = 1,412.22