Finding the Fourth Proportional to 11,297.89, 16,935.56 and 3,897.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,297.89 : 16,935.56 = 3,897.63 : x
2. Step 2: Convert to fraction form
   11,297.89/16,935.56 = 3,897.63/x
3. Step 3: Cross multiply
   11,297.89x = 16,935.56 × 3,897.63
4. Step 4: Simplify right side
   11,297.89x = 66,008,536.98
5. Step 5: Solve for x
   x = 66,008,536.98/11,297.89
6. Step 6: Final answer
   x = 5,842.55