Finding the Fourth Proportional to 1,143.01, 1,576.90 and 700.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143.01 : 1,576.90 = 700.15 : x
2. Step 2: Convert to fraction form
   1,143.01/1,576.90 = 700.15/x
3. Step 3: Cross multiply
   1,143.01x = 1,576.90 × 700.15
4. Step 4: Simplify right side
   1,143.01x = 1,104,055.15
5. Step 5: Solve for x
   x = 1,104,055.15/1,143.01
6. Step 6: Final answer
   x = 965.92