Finding the Fourth Proportional to 6,476.47, 9,715.61 and 3,189.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,476.47 : 9,715.61 = 3,189.59 : x
2. Step 2: Convert to fraction form
   6,476.47/9,715.61 = 3,189.59/x
3. Step 3: Cross multiply
   6,476.47x = 9,715.61 × 3,189.59
4. Step 4: Simplify right side
   6,476.47x = 30,988,808.33
5. Step 5: Solve for x
   x = 30,988,808.33/6,476.47
6. Step 6: Final answer
   x = 4,784.83