Finding the Fourth Proportional to 1,367.92, 1,898.86 and 1,281.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.92 : 1,898.86 = 1,281.52 : x
2. Step 2: Convert to fraction form
   1,367.92/1,898.86 = 1,281.52/x
3. Step 3: Cross multiply
   1,367.92x = 1,898.86 × 1,281.52
4. Step 4: Simplify right side
   1,367.92x = 2,433,427.07
5. Step 5: Solve for x
   x = 2,433,427.07/1,367.92
6. Step 6: Final answer
   x = 1,778.92