Finding the Fourth Proportional to 1,367.83, 1,890.12 and 1,035.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.83 : 1,890.12 = 1,035.70 : x
2. Step 2: Convert to fraction form
   1,367.83/1,890.12 = 1,035.70/x
3. Step 3: Cross multiply
   1,367.83x = 1,890.12 × 1,035.70
4. Step 4: Simplify right side
   1,367.83x = 1,957,597.28
5. Step 5: Solve for x
   x = 1,957,597.28/1,367.83
6. Step 6: Final answer
   x = 1,431.17