Finding the Fourth Proportional to 10,886.73, 16,333.29 and 3,491.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.73 : 16,333.29 = 3,491.03 : x
2. Step 2: Convert to fraction form
   10,886.73/16,333.29 = 3,491.03/x
3. Step 3: Cross multiply
   10,886.73x = 16,333.29 × 3,491.03
4. Step 4: Simplify right side
   10,886.73x = 57,019,923.72
5. Step 5: Solve for x
   x = 57,019,923.72/10,886.73
6. Step 6: Final answer
   x = 5,237.56