Finding the Fourth Proportional to 1,142.74, 1,576.04 and 700.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.74 : 1,576.04 = 700.32 : x
2. Step 2: Convert to fraction form
   1,142.74/1,576.04 = 700.32/x
3. Step 3: Cross multiply
   1,142.74x = 1,576.04 × 700.32
4. Step 4: Simplify right side
   1,142.74x = 1,103,732.33
5. Step 5: Solve for x
   x = 1,103,732.33/1,142.74
6. Step 6: Final answer
   x = 965.86