Finding the Fourth Proportional to 6,612, 9,124.56 and 3,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,612 : 9,124.56 = 3,817.50 : x
2. Step 2: Convert to fraction form
   6,612/9,124.56 = 3,817.50/x
3. Step 3: Cross multiply
   6,612x = 9,124.56 × 3,817.50
4. Step 4: Simplify right side
   6,612x = 34,833,007.80
5. Step 5: Solve for x
   x = 34,833,007.80/6,612
6. Step 6: Final answer
   x = 5,268.15