Finding the Fourth Proportional to 2,092.43, 3,137.72 and 631.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.43 : 3,137.72 = 631.32 : x
2. Step 2: Convert to fraction form
   2,092.43/3,137.72 = 631.32/x
3. Step 3: Cross multiply
   2,092.43x = 3,137.72 × 631.32
4. Step 4: Simplify right side
   2,092.43x = 1,980,902.23
5. Step 5: Solve for x
   x = 1,980,902.23/2,092.43
6. Step 6: Final answer
   x = 946.70