Finding the Fourth Proportional to 8,364.82, 12,553.18 and 3,438.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,364.82 : 12,553.18 = 3,438.94 : x
2. Step 2: Convert to fraction form
   8,364.82/12,553.18 = 3,438.94/x
3. Step 3: Cross multiply
   8,364.82x = 12,553.18 × 3,438.94
4. Step 4: Simplify right side
   8,364.82x = 43,169,632.83
5. Step 5: Solve for x
   x = 43,169,632.83/8,364.82
6. Step 6: Final answer
   x = 5,160.86