Finding the Fourth Proportional to 1,131.73, 1,697.59 and 310.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.73 : 1,697.59 = 310.01 : x
2. Step 2: Convert to fraction form
   1,131.73/1,697.59 = 310.01/x
3. Step 3: Cross multiply
   1,131.73x = 1,697.59 × 310.01
4. Step 4: Simplify right side
   1,131.73x = 526,261.78
5. Step 5: Solve for x
   x = 526,261.78/1,131.73
6. Step 6: Final answer
   x = 465.01