Finding the Fourth Proportional to 8,736.89, 12,056.72 and 4,758.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736.89 : 12,056.72 = 4,758.03 : x
2. Step 2: Convert to fraction form
   8,736.89/12,056.72 = 4,758.03/x
3. Step 3: Cross multiply
   8,736.89x = 12,056.72 × 4,758.03
4. Step 4: Simplify right side
   8,736.89x = 57,366,211.67
5. Step 5: Solve for x
   x = 57,366,211.67/8,736.89
6. Step 6: Final answer
   x = 6,565.98