Finding the Fourth Proportional to 8,429.47, 12,645.83 and 3,234.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429.47 : 12,645.83 = 3,234.94 : x
2. Step 2: Convert to fraction form
   8,429.47/12,645.83 = 3,234.94/x
3. Step 3: Cross multiply
   8,429.47x = 12,645.83 × 3,234.94
4. Step 4: Simplify right side
   8,429.47x = 40,908,477.77
5. Step 5: Solve for x
   x = 40,908,477.77/8,429.47
6. Step 6: Final answer
   x = 4,853.03