Finding the Fourth Proportional to 11,659.88, 17,489.76 and 2,894.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,659.88 : 17,489.76 = 2,894.72 : x
2. Step 2: Convert to fraction form
   11,659.88/17,489.76 = 2,894.72/x
3. Step 3: Cross multiply
   11,659.88x = 17,489.76 × 2,894.72
4. Step 4: Simplify right side
   11,659.88x = 50,627,958.07
5. Step 5: Solve for x
   x = 50,627,958.07/11,659.88
6. Step 6: Final answer
   x = 4,342.07