Finding the Fourth Proportional to 6,205.71, 8,564.56 and 3,553.99

Step by Step Solution

1. Step 1: Write the proportion equation
   6,205.71 : 8,564.56 = 3,553.99 : x
2. Step 2: Convert to fraction form
   6,205.71/8,564.56 = 3,553.99/x
3. Step 3: Cross multiply
   6,205.71x = 8,564.56 × 3,553.99
4. Step 4: Simplify right side
   6,205.71x = 30,438,342.82
5. Step 5: Solve for x
   x = 30,438,342.82/6,205.71
6. Step 6: Final answer
   x = 4,904.89