Finding the Fourth Proportional to 8,266.21, 12,393.89 and 4,708.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,266.21 : 12,393.89 = 4,708.42 : x
2. Step 2: Convert to fraction form
   8,266.21/12,393.89 = 4,708.42/x
3. Step 3: Cross multiply
   8,266.21x = 12,393.89 × 4,708.42
4. Step 4: Simplify right side
   8,266.21x = 58,355,639.55
5. Step 5: Solve for x
   x = 58,355,639.55/8,266.21
6. Step 6: Final answer
   x = 7,059.54