Finding the Fourth Proportional to 2,224.34, 3,338.52 and 1,185.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.34 : 3,338.52 = 1,185.21 : x
2. Step 2: Convert to fraction form
   2,224.34/3,338.52 = 1,185.21/x
3. Step 3: Cross multiply
   2,224.34x = 3,338.52 × 1,185.21
4. Step 4: Simplify right side
   2,224.34x = 3,956,842.84
5. Step 5: Solve for x
   x = 3,956,842.84/2,224.34
6. Step 6: Final answer
   x = 1,778.89