Finding the Fourth Proportional to 3,528.09, 5,282.89 and 3,424.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,528.09 : 5,282.89 = 3,424.14 : x
2. Step 2: Convert to fraction form
   3,528.09/5,282.89 = 3,424.14/x
3. Step 3: Cross multiply
   3,528.09x = 5,282.89 × 3,424.14
4. Step 4: Simplify right side
   3,528.09x = 18,089,346.40
5. Step 5: Solve for x
   x = 18,089,346.40/3,528.09
6. Step 6: Final answer
   x = 5,127.23