Finding the Fourth Proportional to 6,210.94, 8,572.27 and 3,558.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,210.94 : 8,572.27 = 3,558.34 : x
2. Step 2: Convert to fraction form
   6,210.94/8,572.27 = 3,558.34/x
3. Step 3: Cross multiply
   6,210.94x = 8,572.27 × 3,558.34
4. Step 4: Simplify right side
   6,210.94x = 30,503,066.77
5. Step 5: Solve for x
   x = 30,503,066.77/6,210.94
6. Step 6: Final answer
   x = 4,911.18