Finding the Fourth Proportional to 6,210.87, 8,570.73 and 3,558.51

Step by Step Solution

1. Step 1: Write the proportion equation
   6,210.87 : 8,570.73 = 3,558.51 : x
2. Step 2: Convert to fraction form
   6,210.87/8,570.73 = 3,558.51/x
3. Step 3: Cross multiply
   6,210.87x = 8,570.73 × 3,558.51
4. Step 4: Simplify right side
   6,210.87x = 30,499,028.41
5. Step 5: Solve for x
   x = 30,499,028.41/6,210.87
6. Step 6: Final answer
   x = 4,910.59