Finding the Fourth Proportional to 1,141.82, 1,574.88 and 699.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.82 : 1,574.88 = 699.96 : x
2. Step 2: Convert to fraction form
   1,141.82/1,574.88 = 699.96/x
3. Step 3: Cross multiply
   1,141.82x = 1,574.88 × 699.96
4. Step 4: Simplify right side
   1,141.82x = 1,102,353.00
5. Step 5: Solve for x
   x = 1,102,353.00/1,141.82
6. Step 6: Final answer
   x = 965.44