Finding the Fourth Proportional to 2,227.62, 3,342.41 and 1,187.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.62 : 3,342.41 = 1,187.38 : x
2. Step 2: Convert to fraction form
   2,227.62/3,342.41 = 1,187.38/x
3. Step 3: Cross multiply
   2,227.62x = 3,342.41 × 1,187.38
4. Step 4: Simplify right side
   2,227.62x = 3,968,710.79
5. Step 5: Solve for x
   x = 3,968,710.79/2,227.62
6. Step 6: Final answer
   x = 1,781.59