Finding the Fourth Proportional to 11,453.16, 17,181.78 and 5,905.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,453.16 : 17,181.78 = 5,905.02 : x
2. Step 2: Convert to fraction form
   11,453.16/17,181.78 = 5,905.02/x
3. Step 3: Cross multiply
   11,453.16x = 17,181.78 × 5,905.02
4. Step 4: Simplify right side
   11,453.16x = 101,458,754.54
5. Step 5: Solve for x
   x = 101,458,754.54/11,453.16
6. Step 6: Final answer
   x = 8,858.58