Finding the Fourth Proportional to 3,231.71, 4,482.42 and 3,100.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,231.71 : 4,482.42 = 3,100.49 : x
2. Step 2: Convert to fraction form
   3,231.71/4,482.42 = 3,100.49/x
3. Step 3: Cross multiply
   3,231.71x = 4,482.42 × 3,100.49
4. Step 4: Simplify right side
   3,231.71x = 13,897,694.93
5. Step 5: Solve for x
   x = 13,897,694.93/3,231.71
6. Step 6: Final answer
   x = 4,300.42