Finding the Fourth Proportional to 3,424.56, 5,131.62 and 2,104.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,424.56 : 5,131.62 = 2,104.86 : x
2. Step 2: Convert to fraction form
   3,424.56/5,131.62 = 2,104.86/x
3. Step 3: Cross multiply
   3,424.56x = 5,131.62 × 2,104.86
4. Step 4: Simplify right side
   3,424.56x = 10,801,341.67
5. Step 5: Solve for x
   x = 10,801,341.67/3,424.56
6. Step 6: Final answer
   x = 3,154.08