Finding the Fourth Proportional to 8,315.82, 12,476.07 and 3,388.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,315.82 : 12,476.07 = 3,388.98 : x
2. Step 2: Convert to fraction form
   8,315.82/12,476.07 = 3,388.98/x
3. Step 3: Cross multiply
   8,315.82x = 12,476.07 × 3,388.98
4. Step 4: Simplify right side
   8,315.82x = 42,281,151.71
5. Step 5: Solve for x
   x = 42,281,151.71/8,315.82
6. Step 6: Final answer
   x = 5,084.42