Finding the Fourth Proportional to 6,661.01, 9,191.69 and 3,828.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,661.01 : 9,191.69 = 3,828.38 : x
2. Step 2: Convert to fraction form
   6,661.01/9,191.69 = 3,828.38/x
3. Step 3: Cross multiply
   6,661.01x = 9,191.69 × 3,828.38
4. Step 4: Simplify right side
   6,661.01x = 35,189,263.02
5. Step 5: Solve for x
   x = 35,189,263.02/6,661.01
6. Step 6: Final answer
   x = 5,282.88