Finding the Fourth Proportional to 1,123.41, 1,682.52 and 1,084.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.41 : 1,682.52 = 1,084.49 : x
2. Step 2: Convert to fraction form
   1,123.41/1,682.52 = 1,084.49/x
3. Step 3: Cross multiply
   1,123.41x = 1,682.52 × 1,084.49
4. Step 4: Simplify right side
   1,123.41x = 1,824,669.94
5. Step 5: Solve for x
   x = 1,824,669.94/1,123.41
6. Step 6: Final answer
   x = 1,624.22