Finding the Fourth Proportional to 8,736.84, 12,057.12 and 4,758.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736.84 : 12,057.12 = 4,758.12 : x
2. Step 2: Convert to fraction form
   8,736.84/12,057.12 = 4,758.12/x
3. Step 3: Cross multiply
   8,736.84x = 12,057.12 × 4,758.12
4. Step 4: Simplify right side
   8,736.84x = 57,369,223.81
5. Step 5: Solve for x
   x = 57,369,223.81/8,736.84
6. Step 6: Final answer
   x = 6,566.36