Finding the Fourth Proportional to 6,475.89, 8,936.70 and 3,681.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,475.89 : 8,936.70 = 3,681.39 : x
2. Step 2: Convert to fraction form
   6,475.89/8,936.70 = 3,681.39/x
3. Step 3: Cross multiply
   6,475.89x = 8,936.70 × 3,681.39
4. Step 4: Simplify right side
   6,475.89x = 32,899,478.01
5. Step 5: Solve for x
   x = 32,899,478.01/6,475.89
6. Step 6: Final answer
   x = 5,080.30