Finding the Fourth Proportional to 2,356.47, 3,532.41 and 1,123.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.47 : 3,532.41 = 1,123.56 : x
2. Step 2: Convert to fraction form
   2,356.47/3,532.41 = 1,123.56/x
3. Step 3: Cross multiply
   2,356.47x = 3,532.41 × 1,123.56
4. Step 4: Simplify right side
   2,356.47x = 3,968,874.58
5. Step 5: Solve for x
   x = 3,968,874.58/2,356.47
6. Step 6: Final answer
   x = 1,684.25