Finding the Fourth Proportional to 9,828.59, 13,563.70 and 5,352.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,828.59 : 13,563.70 = 5,352.59 : x
2. Step 2: Convert to fraction form
   9,828.59/13,563.70 = 5,352.59/x
3. Step 3: Cross multiply
   9,828.59x = 13,563.70 × 5,352.59
4. Step 4: Simplify right side
   9,828.59x = 72,600,843.78
5. Step 5: Solve for x
   x = 72,600,843.78/9,828.59
6. Step 6: Final answer
   x = 7,386.70