Finding the Fourth Proportional to 6,681.46, 10,005.72 and 3,389.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,681.46 : 10,005.72 = 3,389.98 : x
2. Step 2: Convert to fraction form
   6,681.46/10,005.72 = 3,389.98/x
3. Step 3: Cross multiply
   6,681.46x = 10,005.72 × 3,389.98
4. Step 4: Simplify right side
   6,681.46x = 33,919,190.69
5. Step 5: Solve for x
   x = 33,919,190.69/6,681.46
6. Step 6: Final answer
   x = 5,076.61