Finding the Fourth Proportional to 8,327.52, 12,489.59 and 3,060.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,327.52 : 12,489.59 = 3,060.72 : x
2. Step 2: Convert to fraction form
   8,327.52/12,489.59 = 3,060.72/x
3. Step 3: Cross multiply
   8,327.52x = 12,489.59 × 3,060.72
4. Step 4: Simplify right side
   8,327.52x = 38,227,122.60
5. Step 5: Solve for x
   x = 38,227,122.60/8,327.52
6. Step 6: Final answer
   x = 4,590.46