Finding the Fourth Proportional to 6,483.90, 9,719.37 and 3,199.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,483.90 : 9,719.37 = 3,199.35 : x
2. Step 2: Convert to fraction form
   6,483.90/9,719.37 = 3,199.35/x
3. Step 3: Cross multiply
   6,483.90x = 9,719.37 × 3,199.35
4. Step 4: Simplify right side
   6,483.90x = 31,095,666.41
5. Step 5: Solve for x
   x = 31,095,666.41/6,483.90
6. Step 6: Final answer
   x = 4,795.83