Finding the Fourth Proportional to 13,196.22, 19,739.61 and 10,052.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.22 : 19,739.61 = 10,052.43 : x
2. Step 2: Convert to fraction form
   13,196.22/19,739.61 = 10,052.43/x
3. Step 3: Cross multiply
   13,196.22x = 19,739.61 × 10,052.43
4. Step 4: Simplify right side
   13,196.22x = 198,431,047.75
5. Step 5: Solve for x
   x = 198,431,047.75/13,196.22
6. Step 6: Final answer
   x = 15,036.96