Finding the Fourth Proportional to 2,092.30, 3,134.85 and 994.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.30 : 3,134.85 = 994.30 : x
2. Step 2: Convert to fraction form
   2,092.30/3,134.85 = 994.30/x
3. Step 3: Cross multiply
   2,092.30x = 3,134.85 × 994.30
4. Step 4: Simplify right side
   2,092.30x = 3,116,981.36
5. Step 5: Solve for x
   x = 3,116,981.36/2,092.30
6. Step 6: Final answer
   x = 1,489.74