Finding the Fourth Proportional to 8,765.55, 12,096.59 and 4,786.65

Step by Step Solution

1. Step 1: Write the proportion equation
   8,765.55 : 12,096.59 = 4,786.65 : x
2. Step 2: Convert to fraction form
   8,765.55/12,096.59 = 4,786.65/x
3. Step 3: Cross multiply
   8,765.55x = 12,096.59 × 4,786.65
4. Step 4: Simplify right side
   8,765.55x = 57,902,118.59
5. Step 5: Solve for x
   x = 57,902,118.59/8,765.55
6. Step 6: Final answer
   x = 6,605.65