Finding the Fourth Proportional to 8,880.65, 12,255.23 and 4,901.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,880.65 : 12,255.23 = 4,901.76 : x
2. Step 2: Convert to fraction form
   8,880.65/12,255.23 = 4,901.76/x
3. Step 3: Cross multiply
   8,880.65x = 12,255.23 × 4,901.76
4. Step 4: Simplify right side
   8,880.65x = 60,072,145.27
5. Step 5: Solve for x
   x = 60,072,145.27/8,880.65
6. Step 6: Final answer
   x = 6,764.39