Finding the Fourth Proportional to 6,209.30, 8,568.61 and 3,554.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,209.30 : 8,568.61 = 3,554.84 : x
2. Step 2: Convert to fraction form
   6,209.30/8,568.61 = 3,554.84/x
3. Step 3: Cross multiply
   6,209.30x = 8,568.61 × 3,554.84
4. Step 4: Simplify right side
   6,209.30x = 30,460,050.11
5. Step 5: Solve for x
   x = 30,460,050.11/6,209.30
6. Step 6: Final answer
   x = 4,905.55