Finding the Fourth Proportional to 11,662.29, 17,493.37 and 2,897.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.29 : 17,493.37 = 2,897.20 : x
2. Step 2: Convert to fraction form
   11,662.29/17,493.37 = 2,897.20/x
3. Step 3: Cross multiply
   11,662.29x = 17,493.37 × 2,897.20
4. Step 4: Simplify right side
   11,662.29x = 50,681,791.56
5. Step 5: Solve for x
   x = 50,681,791.56/11,662.29
6. Step 6: Final answer
   x = 4,345.78