Finding the Fourth Proportional to 1,231.49, 1,699.41 and 700.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231.49 : 1,699.41 = 700.37 : x
2. Step 2: Convert to fraction form
   1,231.49/1,699.41 = 700.37/x
3. Step 3: Cross multiply
   1,231.49x = 1,699.41 × 700.37
4. Step 4: Simplify right side
   1,231.49x = 1,190,215.78
5. Step 5: Solve for x
   x = 1,190,215.78/1,231.49
6. Step 6: Final answer
   x = 966.48