Finding the Fourth Proportional to 6,483.36, 8,947.05 and 3,688.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,483.36 : 8,947.05 = 3,688.86 : x
2. Step 2: Convert to fraction form
   6,483.36/8,947.05 = 3,688.86/x
3. Step 3: Cross multiply
   6,483.36x = 8,947.05 × 3,688.86
4. Step 4: Simplify right side
   6,483.36x = 33,004,414.86
5. Step 5: Solve for x
   x = 33,004,414.86/6,483.36
6. Step 6: Final answer
   x = 5,090.63