Finding the Fourth Proportional to 11,443.09, 17,078.84 and 10,695.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.09 : 17,078.84 = 10,695.74 : x
2. Step 2: Convert to fraction form
   11,443.09/17,078.84 = 10,695.74/x
3. Step 3: Cross multiply
   11,443.09x = 17,078.84 × 10,695.74
4. Step 4: Simplify right side
   11,443.09x = 182,670,881.52
5. Step 5: Solve for x
   x = 182,670,881.52/11,443.09
6. Step 6: Final answer
   x = 15,963.43