Finding the Fourth Proportional to 1,994.30, 2,752.10 and 1,208.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.30 : 2,752.10 = 1,208.34 : x
2. Step 2: Convert to fraction form
   1,994.30/2,752.10 = 1,208.34/x
3. Step 3: Cross multiply
   1,994.30x = 2,752.10 × 1,208.34
4. Step 4: Simplify right side
   1,994.30x = 3,325,472.51
5. Step 5: Solve for x
   x = 3,325,472.51/1,994.30
6. Step 6: Final answer
   x = 1,667.49