Finding the Fourth Proportional to 8,429.79, 12,633.89 and 4,040.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429.79 : 12,633.89 = 4,040.67 : x
2. Step 2: Convert to fraction form
   8,429.79/12,633.89 = 4,040.67/x
3. Step 3: Cross multiply
   8,429.79x = 12,633.89 × 4,040.67
4. Step 4: Simplify right side
   8,429.79x = 51,049,360.10
5. Step 5: Solve for x
   x = 51,049,360.10/8,429.79
6. Step 6: Final answer
   x = 6,055.83