Finding the Fourth Proportional to 1,367.07, 1,886.55 and 1,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.07 : 1,886.55 = 1,255.50 : x
2. Step 2: Convert to fraction form
   1,367.07/1,886.55 = 1,255.50/x
3. Step 3: Cross multiply
   1,367.07x = 1,886.55 × 1,255.50
4. Step 4: Simplify right side
   1,367.07x = 2,368,563.53
5. Step 5: Solve for x
   x = 2,368,563.53/1,367.07
6. Step 6: Final answer
   x = 1,732.58