Finding the Fourth Proportional to 2,224.78, 3,337.64 and 1,185.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.78 : 3,337.64 = 1,185.42 : x
2. Step 2: Convert to fraction form
   2,224.78/3,337.64 = 1,185.42/x
3. Step 3: Cross multiply
   2,224.78x = 3,337.64 × 1,185.42
4. Step 4: Simplify right side
   2,224.78x = 3,956,505.21
5. Step 5: Solve for x
   x = 3,956,505.21/2,224.78
6. Step 6: Final answer
   x = 1,778.38