Finding the Fourth Proportional to 1,256.06, 1,732.78 and 814.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.06 : 1,732.78 = 814.10 : x
2. Step 2: Convert to fraction form
   1,256.06/1,732.78 = 814.10/x
3. Step 3: Cross multiply
   1,256.06x = 1,732.78 × 814.10
4. Step 4: Simplify right side
   1,256.06x = 1,410,656.20
5. Step 5: Solve for x
   x = 1,410,656.20/1,256.06
6. Step 6: Final answer
   x = 1,123.08