Finding the Fourth Proportional to 950.37, 1,311.50 and 670.31

Step by Step Solution

1. Step 1: Write the proportion equation
   950.37 : 1,311.50 = 670.31 : x
2. Step 2: Convert to fraction form
   950.37/1,311.50 = 670.31/x
3. Step 3: Cross multiply
   950.37x = 1,311.50 × 670.31
4. Step 4: Simplify right side
   950.37x = 879,108.21
5. Step 5: Solve for x
   x = 879,108.21/950.37
6. Step 6: Final answer
   x = 925.02