Finding the Fourth Proportional to 6,131.25, 9,182.25 and 3,528.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.25 : 9,182.25 = 3,528.72 : x
2. Step 2: Convert to fraction form
   6,131.25/9,182.25 = 3,528.72/x
3. Step 3: Cross multiply
   6,131.25x = 9,182.25 × 3,528.72
4. Step 4: Simplify right side
   6,131.25x = 32,401,589.22
5. Step 5: Solve for x
   x = 32,401,589.22/6,131.25
6. Step 6: Final answer
   x = 5,284.66