Finding the Fourth Proportional to 2,092.73, 3,139.12 and 631.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.73 : 3,139.12 = 631.94 : x
2. Step 2: Convert to fraction form
   2,092.73/3,139.12 = 631.94/x
3. Step 3: Cross multiply
   2,092.73x = 3,139.12 × 631.94
4. Step 4: Simplify right side
   2,092.73x = 1,983,741.76
5. Step 5: Solve for x
   x = 1,983,741.76/2,092.73
6. Step 6: Final answer
   x = 947.92