Finding the Fourth Proportional to 7,019.29, 10,528.91 and 2,858.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.29 : 10,528.91 = 2,858.37 : x
2. Step 2: Convert to fraction form
   7,019.29/10,528.91 = 2,858.37/x
3. Step 3: Cross multiply
   7,019.29x = 10,528.91 × 2,858.37
4. Step 4: Simplify right side
   7,019.29x = 30,095,513.33
5. Step 5: Solve for x
   x = 30,095,513.33/7,019.29
6. Step 6: Final answer
   x = 4,287.55