Finding the Fourth Proportional to 1,790.84, 2,471.40 and 994.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,790.84 : 2,471.40 = 994.18 : x
2. Step 2: Convert to fraction form
   1,790.84/2,471.40 = 994.18/x
3. Step 3: Cross multiply
   1,790.84x = 2,471.40 × 994.18
4. Step 4: Simplify right side
   1,790.84x = 2,457,016.45
5. Step 5: Solve for x
   x = 2,457,016.45/1,790.84
6. Step 6: Final answer
   x = 1,371.99