Finding the Fourth Proportional to 8,752.71, 12,078.69 and 4,773.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,752.71 : 12,078.69 = 4,773.81 : x
2. Step 2: Convert to fraction form
   8,752.71/12,078.69 = 4,773.81/x
3. Step 3: Cross multiply
   8,752.71x = 12,078.69 × 4,773.81
4. Step 4: Simplify right side
   8,752.71x = 57,661,404.81
5. Step 5: Solve for x
   x = 57,661,404.81/8,752.71
6. Step 6: Final answer
   x = 6,587.84