Finding the Fourth Proportional to 2,164.05, 3,244.93 and 1,123.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.05 : 3,244.93 = 1,123.01 : x
2. Step 2: Convert to fraction form
   2,164.05/3,244.93 = 1,123.01/x
3. Step 3: Cross multiply
   2,164.05x = 3,244.93 × 1,123.01
4. Step 4: Simplify right side
   2,164.05x = 3,644,081.98
5. Step 5: Solve for x
   x = 3,644,081.98/2,164.05
6. Step 6: Final answer
   x = 1,683.91