Finding the Fourth Proportional to 8,326.54, 12,493.86 and 3,938.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,326.54 : 12,493.86 = 3,938.77 : x
2. Step 2: Convert to fraction form
   8,326.54/12,493.86 = 3,938.77/x
3. Step 3: Cross multiply
   8,326.54x = 12,493.86 × 3,938.77
4. Step 4: Simplify right side
   8,326.54x = 49,210,440.95
5. Step 5: Solve for x
   x = 49,210,440.95/8,326.54
6. Step 6: Final answer
   x = 5,910.07