Finding the Fourth Proportional to 8,742.30, 12,063.33 and 4,964.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,742.30 : 12,063.33 = 4,964.10 : x
2. Step 2: Convert to fraction form
   8,742.30/12,063.33 = 4,964.10/x
3. Step 3: Cross multiply
   8,742.30x = 12,063.33 × 4,964.10
4. Step 4: Simplify right side
   8,742.30x = 59,883,576.45
5. Step 5: Solve for x
   x = 59,883,576.45/8,742.30
6. Step 6: Final answer
   x = 6,849.87