Finding the Fourth Proportional to 13,821, 19,072.98 and 7,533.39

Step by Step Solution

1. Step 1: Write the proportion equation
   13,821 : 19,072.98 = 7,533.39 : x
2. Step 2: Convert to fraction form
   13,821/19,072.98 = 7,533.39/x
3. Step 3: Cross multiply
   13,821x = 19,072.98 × 7,533.39
4. Step 4: Simplify right side
   13,821x = 143,684,196.80
5. Step 5: Solve for x
   x = 143,684,196.80/13,821
6. Step 6: Final answer
   x = 10,396.08