Finding the Fourth Proportional to 8,291.56, 12,436.86 and 3,673

Step by Step Solution

1. Step 1: Write the proportion equation
   8,291.56 : 12,436.86 = 3,673 : x
2. Step 2: Convert to fraction form
   8,291.56/12,436.86 = 3,673/x
3. Step 3: Cross multiply
   8,291.56x = 12,436.86 × 3,673
4. Step 4: Simplify right side
   8,291.56x = 45,680,586.78
5. Step 5: Solve for x
   x = 45,680,586.78/8,291.56
6. Step 6: Final answer
   x = 5,509.29