Finding the Fourth Proportional to 6,483.63, 8,947.59 and 3,965.70

Step by Step Solution

1. Step 1: Write the proportion equation
   6,483.63 : 8,947.59 = 3,965.70 : x
2. Step 2: Convert to fraction form
   6,483.63/8,947.59 = 3,965.70/x
3. Step 3: Cross multiply
   6,483.63x = 8,947.59 × 3,965.70
4. Step 4: Simplify right side
   6,483.63x = 35,483,448.32
5. Step 5: Solve for x
   x = 35,483,448.32/6,483.63
6. Step 6: Final answer
   x = 5,472.77