Finding the Fourth Proportional to 8,736.86, 12,056.54 and 4,757.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736.86 : 12,056.54 = 4,757.88 : x
2. Step 2: Convert to fraction form
   8,736.86/12,056.54 = 4,757.88/x
3. Step 3: Cross multiply
   8,736.86x = 12,056.54 × 4,757.88
4. Step 4: Simplify right side
   8,736.86x = 57,363,570.54
5. Step 5: Solve for x
   x = 57,363,570.54/8,736.86
6. Step 6: Final answer
   x = 6,565.70