Finding the Fourth Proportional to 8,090.69, 12,128.13 and 4,141.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,090.69 : 12,128.13 = 4,141.94 : x
2. Step 2: Convert to fraction form
   8,090.69/12,128.13 = 4,141.94/x
3. Step 3: Cross multiply
   8,090.69x = 12,128.13 × 4,141.94
4. Step 4: Simplify right side
   8,090.69x = 50,233,926.13
5. Step 5: Solve for x
   x = 50,233,926.13/8,090.69
6. Step 6: Final answer
   x = 6,208.86