Finding the Fourth Proportional to 8,784.77, 12,123.23 and 4,806.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.77 : 12,123.23 = 4,806.12 : x
2. Step 2: Convert to fraction form
   8,784.77/12,123.23 = 4,806.12/x
3. Step 3: Cross multiply
   8,784.77x = 12,123.23 × 4,806.12
4. Step 4: Simplify right side
   8,784.77x = 58,265,698.17
5. Step 5: Solve for x
   x = 58,265,698.17/8,784.77
6. Step 6: Final answer
   x = 6,632.58