Finding the Fourth Proportional to 6,623.56, 9,141.42 and 3,828.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,623.56 : 9,141.42 = 3,828.52 : x
2. Step 2: Convert to fraction form
   6,623.56/9,141.42 = 3,828.52/x
3. Step 3: Cross multiply
   6,623.56x = 9,141.42 × 3,828.52
4. Step 4: Simplify right side
   6,623.56x = 34,998,109.30
5. Step 5: Solve for x
   x = 34,998,109.30/6,623.56
6. Step 6: Final answer
   x = 5,283.88