Finding the Fourth Proportional to 11,367.64, 17,034.18 and 10,189.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,367.64 : 17,034.18 = 10,189.72 : x
2. Step 2: Convert to fraction form
   11,367.64/17,034.18 = 10,189.72/x
3. Step 3: Cross multiply
   11,367.64x = 17,034.18 × 10,189.72
4. Step 4: Simplify right side
   11,367.64x = 173,573,524.63
5. Step 5: Solve for x
   x = 173,573,524.63/11,367.64
6. Step 6: Final answer
   x = 15,269.09