Finding the Fourth Proportional to 1,141.82, 1,713.22 and 557.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.82 : 1,713.22 = 557.34 : x
2. Step 2: Convert to fraction form
   1,141.82/1,713.22 = 557.34/x
3. Step 3: Cross multiply
   1,141.82x = 1,713.22 × 557.34
4. Step 4: Simplify right side
   1,141.82x = 954,846.03
5. Step 5: Solve for x
   x = 954,846.03/1,141.82
6. Step 6: Final answer
   x = 836.25