Finding the Fourth Proportional to 8,861,286.89, 12,228,273.59 and 4,887,715.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,861,286.89 : 12,228,273.59 = 4,887,715.56 : x
2. Step 2: Convert to fraction form
   8,861,286.89/12,228,273.59 = 4,887,715.56/x
3. Step 3: Cross multiply
   8,861,286.89x = 12,228,273.59 × 4,887,715.56
4. Step 4: Simplify right side
   8,861,286.89x = 59,768,323,061,099.73
5. Step 5: Solve for x
   x = 59,768,323,061,099.73/8,861,286.89
6. Step 6: Final answer
   x = 6,744,880.71