Finding the Fourth Proportional to 3,687.98, 5,090.48 and 2,412.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687.98 : 5,090.48 = 2,412.04 : x
2. Step 2: Convert to fraction form
   3,687.98/5,090.48 = 2,412.04/x
3. Step 3: Cross multiply
   3,687.98x = 5,090.48 × 2,412.04
4. Step 4: Simplify right side
   3,687.98x = 12,278,429.32
5. Step 5: Solve for x
   x = 12,278,429.32/3,687.98
6. Step 6: Final answer
   x = 3,329.31