Finding the Fourth Proportional to 2,224.55, 3,336.71 and 1,128.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.55 : 3,336.71 = 1,128.89 : x
2. Step 2: Convert to fraction form
   2,224.55/3,336.71 = 1,128.89/x
3. Step 3: Cross multiply
   2,224.55x = 3,336.71 × 1,128.89
4. Step 4: Simplify right side
   2,224.55x = 3,766,764.07
5. Step 5: Solve for x
   x = 3,766,764.07/2,224.55
6. Step 6: Final answer
   x = 1,693.27