Finding the Fourth Proportional to 1,185.27, 1,637.31 and 950.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.27 : 1,637.31 = 950.76 : x
2. Step 2: Convert to fraction form
   1,185.27/1,637.31 = 950.76/x
3. Step 3: Cross multiply
   1,185.27x = 1,637.31 × 950.76
4. Step 4: Simplify right side
   1,185.27x = 1,556,688.86
5. Step 5: Solve for x
   x = 1,556,688.86/1,185.27
6. Step 6: Final answer
   x = 1,313.36