Finding the Fourth Proportional to 6,290.00, 8,680.11 and 3,457.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,290.00 : 8,680.11 = 3,457.49 : x
2. Step 2: Convert to fraction form
   6,290.00/8,680.11 = 3,457.49/x
3. Step 3: Cross multiply
   6,290.00x = 8,680.11 × 3,457.49
4. Step 4: Simplify right side
   6,290.00x = 30,011,356.61
5. Step 5: Solve for x
   x = 30,011,356.61/6,290.00
6. Step 6: Final answer
   x = 4,771.28