Finding the Fourth Proportional to 1,994.34, 2,751.42 and 1,208.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.34 : 2,751.42 = 1,208.10 : x
2. Step 2: Convert to fraction form
   1,994.34/2,751.42 = 1,208.10/x
3. Step 3: Cross multiply
   1,994.34x = 2,751.42 × 1,208.10
4. Step 4: Simplify right side
   1,994.34x = 3,323,990.50
5. Step 5: Solve for x
   x = 3,323,990.50/1,994.34
6. Step 6: Final answer
   x = 1,666.71