Finding the Fourth Proportional to 6,210.02, 8,569.80 and 3,557.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,210.02 : 8,569.80 = 3,557.37 : x
2. Step 2: Convert to fraction form
   6,210.02/8,569.80 = 3,557.37/x
3. Step 3: Cross multiply
   6,210.02x = 8,569.80 × 3,557.37
4. Step 4: Simplify right side
   6,210.02x = 30,485,949.43
5. Step 5: Solve for x
   x = 30,485,949.43/6,210.02
6. Step 6: Final answer
   x = 4,909.15