Finding the Fourth Proportional to 6,659.72, 9,190.71 and 3,828.01

Step by Step Solution

1. Step 1: Write the proportion equation
   6,659.72 : 9,190.71 = 3,828.01 : x
2. Step 2: Convert to fraction form
   6,659.72/9,190.71 = 3,828.01/x
3. Step 3: Cross multiply
   6,659.72x = 9,190.71 × 3,828.01
4. Step 4: Simplify right side
   6,659.72x = 35,182,106.81
5. Step 5: Solve for x
   x = 35,182,106.81/6,659.72
6. Step 6: Final answer
   x = 5,282.82