Finding the Fourth Proportional to 6,389.82, 8,816.59 and 3,736.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,389.82 : 8,816.59 = 3,736.71 : x
2. Step 2: Convert to fraction form
   6,389.82/8,816.59 = 3,736.71/x
3. Step 3: Cross multiply
   6,389.82x = 8,816.59 × 3,736.71
4. Step 4: Simplify right side
   6,389.82x = 32,945,044.69
5. Step 5: Solve for x
   x = 32,945,044.69/6,389.82
6. Step 6: Final answer
   x = 5,155.86