Finding the Fourth Proportional to 3,123.18, 4,308.89 and 2,004.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.18 : 4,308.89 = 2,004.02 : x
2. Step 2: Convert to fraction form
   3,123.18/4,308.89 = 2,004.02/x
3. Step 3: Cross multiply
   3,123.18x = 4,308.89 × 2,004.02
4. Step 4: Simplify right side
   3,123.18x = 8,635,101.74
5. Step 5: Solve for x
   x = 8,635,101.74/3,123.18
6. Step 6: Final answer
   x = 2,764.84