Finding the Fourth Proportional to 3,680.19, 5,514.89 and 2,902.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680.19 : 5,514.89 = 2,902.10 : x
2. Step 2: Convert to fraction form
   3,680.19/5,514.89 = 2,902.10/x
3. Step 3: Cross multiply
   3,680.19x = 5,514.89 × 2,902.10
4. Step 4: Simplify right side
   3,680.19x = 16,004,720.18
5. Step 5: Solve for x
   x = 16,004,720.18/3,680.19
6. Step 6: Final answer
   x = 4,348.88