Finding the Fourth Proportional to 8,736.21, 12,055.96 and 4,757.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736.21 : 12,055.96 = 4,757.34 : x
2. Step 2: Convert to fraction form
   8,736.21/12,055.96 = 4,757.34/x
3. Step 3: Cross multiply
   8,736.21x = 12,055.96 × 4,757.34
4. Step 4: Simplify right side
   8,736.21x = 57,354,300.75
5. Step 5: Solve for x
   x = 57,354,300.75/8,736.21
6. Step 6: Final answer
   x = 6,565.12