Finding the Fourth Proportional to 1,786.56, 2,464.74 and 1,123.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.56 : 2,464.74 = 1,123.38 : x
2. Step 2: Convert to fraction form
   1,786.56/2,464.74 = 1,123.38/x
3. Step 3: Cross multiply
   1,786.56x = 2,464.74 × 1,123.38
4. Step 4: Simplify right side
   1,786.56x = 2,768,839.62
5. Step 5: Solve for x
   x = 2,768,839.62/1,786.56
6. Step 6: Final answer
   x = 1,549.82