Finding the Fourth Proportional to 8,752.77, 12,078.72 and 4,773.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,752.77 : 12,078.72 = 4,773.92 : x
2. Step 2: Convert to fraction form
   8,752.77/12,078.72 = 4,773.92/x
3. Step 3: Cross multiply
   8,752.77x = 12,078.72 × 4,773.92
4. Step 4: Simplify right side
   8,752.77x = 57,662,782.59
5. Step 5: Solve for x
   x = 57,662,782.59/8,752.77
6. Step 6: Final answer
   x = 6,587.95