Finding the Fourth Proportional to 8,736.72, 12,056.63 and 4,757.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736.72 : 12,056.63 = 4,757.83 : x
2. Step 2: Convert to fraction form
   8,736.72/12,056.63 = 4,757.83/x
3. Step 3: Cross multiply
   8,736.72x = 12,056.63 × 4,757.83
4. Step 4: Simplify right side
   8,736.72x = 57,363,341.98
5. Step 5: Solve for x
   x = 57,363,341.98/8,736.72
6. Step 6: Final answer
   x = 6,565.78