Finding the Fourth Proportional to 2,091.62, 3,135.81 and 994.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.62 : 3,135.81 = 994.34 : x
2. Step 2: Convert to fraction form
   2,091.62/3,135.81 = 994.34/x
3. Step 3: Cross multiply
   2,091.62x = 3,135.81 × 994.34
4. Step 4: Simplify right side
   2,091.62x = 3,118,061.32
5. Step 5: Solve for x
   x = 3,118,061.32/2,091.62
6. Step 6: Final answer
   x = 1,490.74