Finding the Fourth Proportional to 8,610.33, 12,915.47 and 3,063.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,610.33 : 12,915.47 = 3,063.89 : x
2. Step 2: Convert to fraction form
   8,610.33/12,915.47 = 3,063.89/x
3. Step 3: Cross multiply
   8,610.33x = 12,915.47 × 3,063.89
4. Step 4: Simplify right side
   8,610.33x = 39,571,499.48
5. Step 5: Solve for x
   x = 39,571,499.48/8,610.33
6. Step 6: Final answer
   x = 4,595.82