Finding the Fourth Proportional to 1,142.13, 1,576.86 and 700.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.13 : 1,576.86 = 700.49 : x
2. Step 2: Convert to fraction form
   1,142.13/1,576.86 = 700.49/x
3. Step 3: Cross multiply
   1,142.13x = 1,576.86 × 700.49
4. Step 4: Simplify right side
   1,142.13x = 1,104,566.78
5. Step 5: Solve for x
   x = 1,104,566.78/1,142.13
6. Step 6: Final answer
   x = 967.11