Finding the Fourth Proportional to 1,142.15, 1,575.37 and 700.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.15 : 1,575.37 = 700.27 : x
2. Step 2: Convert to fraction form
   1,142.15/1,575.37 = 700.27/x
3. Step 3: Cross multiply
   1,142.15x = 1,575.37 × 700.27
4. Step 4: Simplify right side
   1,142.15x = 1,103,184.35
5. Step 5: Solve for x
   x = 1,103,184.35/1,142.15
6. Step 6: Final answer
   x = 965.88