Finding the Fourth Proportional to 13,062.81, 19,550.48 and 10,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,062.81 : 19,550.48 = 10,722.72 : x
2. Step 2: Convert to fraction form
   13,062.81/19,550.48 = 10,722.72/x
3. Step 3: Cross multiply
   13,062.81x = 19,550.48 × 10,722.72
4. Step 4: Simplify right side
   13,062.81x = 209,634,269.29
5. Step 5: Solve for x
   x = 209,634,269.29/13,062.81
6. Step 6: Final answer
   x = 16,048.18