Finding the Fourth Proportional to 1,256.94, 1,885.83 and 882.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.94 : 1,885.83 = 882.09 : x
2. Step 2: Convert to fraction form
   1,256.94/1,885.83 = 882.09/x
3. Step 3: Cross multiply
   1,256.94x = 1,885.83 × 882.09
4. Step 4: Simplify right side
   1,256.94x = 1,663,471.78
5. Step 5: Solve for x
   x = 1,663,471.78/1,256.94
6. Step 6: Final answer
   x = 1,323.43