Finding the Fourth Proportional to 1,926.38, 2,659.55 and 1,264.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.38 : 2,659.55 = 1,264.39 : x
2. Step 2: Convert to fraction form
   1,926.38/2,659.55 = 1,264.39/x
3. Step 3: Cross multiply
   1,926.38x = 2,659.55 × 1,264.39
4. Step 4: Simplify right side
   1,926.38x = 3,362,708.42
5. Step 5: Solve for x
   x = 3,362,708.42/1,926.38
6. Step 6: Final answer
   x = 1,745.61