Finding the Fourth Proportional to 1,934.38, 2,667.43 and 1,148.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.38 : 2,667.43 = 1,148.28 : x
2. Step 2: Convert to fraction form
   1,934.38/2,667.43 = 1,148.28/x
3. Step 3: Cross multiply
   1,934.38x = 2,667.43 × 1,148.28
4. Step 4: Simplify right side
   1,934.38x = 3,062,937.44
5. Step 5: Solve for x
   x = 3,062,937.44/1,934.38
6. Step 6: Final answer
   x = 1,583.42