Finding the Fourth Proportional to 1,352.69, 1,866.40 and 1,016.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,352.69 : 1,866.40 = 1,016.89 : x
2. Step 2: Convert to fraction form
   1,352.69/1,866.40 = 1,016.89/x
3. Step 3: Cross multiply
   1,352.69x = 1,866.40 × 1,016.89
4. Step 4: Simplify right side
   1,352.69x = 1,897,923.50
5. Step 5: Solve for x
   x = 1,897,923.50/1,352.69
6. Step 6: Final answer
   x = 1,403.07