Finding the Fourth Proportional to 2,356.64, 3,532.32 and 1,123.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.64 : 3,532.32 = 1,123.04 : x
2. Step 2: Convert to fraction form
   2,356.64/3,532.32 = 1,123.04/x
3. Step 3: Cross multiply
   2,356.64x = 3,532.32 × 1,123.04
4. Step 4: Simplify right side
   2,356.64x = 3,966,936.65
5. Step 5: Solve for x
   x = 3,966,936.65/2,356.64
6. Step 6: Final answer
   x = 1,683.30