Finding the Fourth Proportional to 2,225.58, 3,337.35 and 1,185.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.58 : 3,337.35 = 1,185.31 : x
2. Step 2: Convert to fraction form
   2,225.58/3,337.35 = 1,185.31/x
3. Step 3: Cross multiply
   2,225.58x = 3,337.35 × 1,185.31
4. Step 4: Simplify right side
   2,225.58x = 3,955,794.33
5. Step 5: Solve for x
   x = 3,955,794.33/2,225.58
6. Step 6: Final answer
   x = 1,777.42