Finding the Fourth Proportional to 2,092.06, 3,137.52 and 631.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.06 : 3,137.52 = 631.30 : x
2. Step 2: Convert to fraction form
   2,092.06/3,137.52 = 631.30/x
3. Step 3: Cross multiply
   2,092.06x = 3,137.52 × 631.30
4. Step 4: Simplify right side
   2,092.06x = 1,980,716.38
5. Step 5: Solve for x
   x = 1,980,716.38/2,092.06
6. Step 6: Final answer
   x = 946.78