Finding the Fourth Proportional to 8,315.77, 12,476.01 and 3,388.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,315.77 : 12,476.01 = 3,388.96 : x
2. Step 2: Convert to fraction form
   8,315.77/12,476.01 = 3,388.96/x
3. Step 3: Cross multiply
   8,315.77x = 12,476.01 × 3,388.96
4. Step 4: Simplify right side
   8,315.77x = 42,280,698.85
5. Step 5: Solve for x
   x = 42,280,698.85/8,315.77
6. Step 6: Final answer
   x = 5,084.40