Finding the Fourth Proportional to 9,828.42, 13,563.05 and 5,352.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,828.42 : 13,563.05 = 5,352.09 : x
2. Step 2: Convert to fraction form
   9,828.42/13,563.05 = 5,352.09/x
3. Step 3: Cross multiply
   9,828.42x = 13,563.05 × 5,352.09
4. Step 4: Simplify right side
   9,828.42x = 72,590,637.51
5. Step 5: Solve for x
   x = 72,590,637.51/9,828.42
6. Step 6: Final answer
   x = 7,385.79