Finding the Fourth Proportional to 1,256.32, 1,872.50 and 1,227.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.32 : 1,872.50 = 1,227.16 : x
2. Step 2: Convert to fraction form
   1,256.32/1,872.50 = 1,227.16/x
3. Step 3: Cross multiply
   1,256.32x = 1,872.50 × 1,227.16
4. Step 4: Simplify right side
   1,256.32x = 2,297,857.10
5. Step 5: Solve for x
   x = 2,297,857.10/1,256.32
6. Step 6: Final answer
   x = 1,829.04