Finding the Fourth Proportional to 8,744.67, 12,066.27 and 4,915.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,744.67 : 12,066.27 = 4,915.55 : x
2. Step 2: Convert to fraction form
   8,744.67/12,066.27 = 4,915.55/x
3. Step 3: Cross multiply
   8,744.67x = 12,066.27 × 4,915.55
4. Step 4: Simplify right side
   8,744.67x = 59,312,293.17
5. Step 5: Solve for x
   x = 59,312,293.17/8,744.67
6. Step 6: Final answer
   x = 6,782.68