Finding the Fourth Proportional to 8,951.55, 12,352.61 and 4,972.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,951.55 : 12,352.61 = 4,972.43 : x
2. Step 2: Convert to fraction form
   8,951.55/12,352.61 = 4,972.43/x
3. Step 3: Cross multiply
   8,951.55x = 12,352.61 × 4,972.43
4. Step 4: Simplify right side
   8,951.55x = 61,422,401.92
5. Step 5: Solve for x
   x = 61,422,401.92/8,951.55
6. Step 6: Final answer
   x = 6,861.65