Finding the Fourth Proportional to 5,515.02, 8,282.50 and 3,439.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,515.02 : 8,282.50 = 3,439.05 : x
2. Step 2: Convert to fraction form
   5,515.02/8,282.50 = 3,439.05/x
3. Step 3: Cross multiply
   5,515.02x = 8,282.50 × 3,439.05
4. Step 4: Simplify right side
   5,515.02x = 28,483,914.43
5. Step 5: Solve for x
   x = 28,483,914.43/5,515.02
6. Step 6: Final answer
   x = 5,164.79