Finding the Fourth Proportional to 13,192.50, 18,205.72 and 9,838.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,192.50 : 18,205.72 = 9,838.29 : x
2. Step 2: Convert to fraction form
   13,192.50/18,205.72 = 9,838.29/x
3. Step 3: Cross multiply
   13,192.50x = 18,205.72 × 9,838.29
4. Step 4: Simplify right side
   13,192.50x = 179,113,153.02
5. Step 5: Solve for x
   x = 179,113,153.02/13,192.50
6. Step 6: Final answer
   x = 13,576.89