Finding the Fourth Proportional to 6,205.31, 8,563.05 and 3,516.45

Step by Step Solution

1. Step 1: Write the proportion equation
   6,205.31 : 8,563.05 = 3,516.45 : x
2. Step 2: Convert to fraction form
   6,205.31/8,563.05 = 3,516.45/x
3. Step 3: Cross multiply
   6,205.31x = 8,563.05 × 3,516.45
4. Step 4: Simplify right side
   6,205.31x = 30,111,505.06
5. Step 5: Solve for x
   x = 30,111,505.06/6,205.31
6. Step 6: Final answer
   x = 4,852.54