Finding the Fourth Proportional to 13,196.03, 18,199.91 and 10,219.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.03 : 18,199.91 = 10,219.91 : x
2. Step 2: Convert to fraction form
   13,196.03/18,199.91 = 10,219.91/x
3. Step 3: Cross multiply
   13,196.03x = 18,199.91 × 10,219.91
4. Step 4: Simplify right side
   13,196.03x = 186,001,391.11
5. Step 5: Solve for x
   x = 186,001,391.11/13,196.03
6. Step 6: Final answer
   x = 14,095.25