Finding the Fourth Proportional to 11,055.34, 16,619.46 and 10,243.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,055.34 : 16,619.46 = 10,243.72 : x
2. Step 2: Convert to fraction form
   11,055.34/16,619.46 = 10,243.72/x
3. Step 3: Cross multiply
   11,055.34x = 16,619.46 × 10,243.72
4. Step 4: Simplify right side
   11,055.34x = 170,245,094.79
5. Step 5: Solve for x
   x = 170,245,094.79/11,055.34
6. Step 6: Final answer
   x = 15,399.35