Finding the Fourth Proportional to 8,336.89, 12,507.02 and 3,406.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,336.89 : 12,507.02 = 3,406.92 : x
2. Step 2: Convert to fraction form
   8,336.89/12,507.02 = 3,406.92/x
3. Step 3: Cross multiply
   8,336.89x = 12,507.02 × 3,406.92
4. Step 4: Simplify right side
   8,336.89x = 42,610,399.54
5. Step 5: Solve for x
   x = 42,610,399.54/8,336.89
6. Step 6: Final answer
   x = 5,111.07