Finding the Fourth Proportional to 1,142.42, 1,576.59 and 700.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.42 : 1,576.59 = 700.34 : x
2. Step 2: Convert to fraction form
   1,142.42/1,576.59 = 700.34/x
3. Step 3: Cross multiply
   1,142.42x = 1,576.59 × 700.34
4. Step 4: Simplify right side
   1,142.42x = 1,104,149.04
5. Step 5: Solve for x
   x = 1,104,149.04/1,142.42
6. Step 6: Final answer
   x = 966.50