Finding the Fourth Proportional to 2,238.38, 3,357.20 and 1,587.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.38 : 3,357.20 = 1,587.14 : x
2. Step 2: Convert to fraction form
   2,238.38/3,357.20 = 1,587.14/x
3. Step 3: Cross multiply
   2,238.38x = 3,357.20 × 1,587.14
4. Step 4: Simplify right side
   2,238.38x = 5,328,333.59
5. Step 5: Solve for x
   x = 5,328,333.59/2,238.38
6. Step 6: Final answer
   x = 2,380.45