Finding the Fourth Proportional to 8,766.39, 12,097.49 and 4,787.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,766.39 : 12,097.49 = 4,787.40 : x
2. Step 2: Convert to fraction form
   8,766.39/12,097.49 = 4,787.40/x
3. Step 3: Cross multiply
   8,766.39x = 12,097.49 × 4,787.40
4. Step 4: Simplify right side
   8,766.39x = 57,915,499.69
5. Step 5: Solve for x
   x = 57,915,499.69/8,766.39
6. Step 6: Final answer
   x = 6,606.54