Finding the Fourth Proportional to 13,821.48, 19,073.52 and 7,533.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,821.48 : 19,073.52 = 7,533.72 : x
2. Step 2: Convert to fraction form
   13,821.48/19,073.52 = 7,533.72/x
3. Step 3: Cross multiply
   13,821.48x = 19,073.52 × 7,533.72
4. Step 4: Simplify right side
   13,821.48x = 143,694,559.09
5. Step 5: Solve for x
   x = 143,694,559.09/13,821.48
6. Step 6: Final answer
   x = 10,396.47