Finding the Fourth Proportional to 1,131.93, 1,697.71 and 310.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.93 : 1,697.71 = 310.27 : x
2. Step 2: Convert to fraction form
   1,131.93/1,697.71 = 310.27/x
3. Step 3: Cross multiply
   1,131.93x = 1,697.71 × 310.27
4. Step 4: Simplify right side
   1,131.93x = 526,748.48
5. Step 5: Solve for x
   x = 526,748.48/1,131.93
6. Step 6: Final answer
   x = 465.35