Finding the Fourth Proportional to 1,131.34, 1,698.24 and 950.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.34 : 1,698.24 = 950.71 : x
2. Step 2: Convert to fraction form
   1,131.34/1,698.24 = 950.71/x
3. Step 3: Cross multiply
   1,131.34x = 1,698.24 × 950.71
4. Step 4: Simplify right side
   1,131.34x = 1,614,533.75
5. Step 5: Solve for x
   x = 1,614,533.75/1,131.34
6. Step 6: Final answer
   x = 1,427.10