Finding the Fourth Proportional to 1,142.69, 1,576.86 and 700.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.69 : 1,576.86 = 700.52 : x
2. Step 2: Convert to fraction form
   1,142.69/1,576.86 = 700.52/x
3. Step 3: Cross multiply
   1,142.69x = 1,576.86 × 700.52
4. Step 4: Simplify right side
   1,142.69x = 1,104,621.97
5. Step 5: Solve for x
   x = 1,104,621.97/1,142.69
6. Step 6: Final answer
   x = 966.69