Finding the Fourth Proportional to 2,008.02, 2,770.40 and 1,211.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.02 : 2,770.40 = 1,211.59 : x
2. Step 2: Convert to fraction form
   2,008.02/2,770.40 = 1,211.59/x
3. Step 3: Cross multiply
   2,008.02x = 2,770.40 × 1,211.59
4. Step 4: Simplify right side
   2,008.02x = 3,356,595.43
5. Step 5: Solve for x
   x = 3,356,595.43/2,008.02
6. Step 6: Final answer
   x = 1,671.59