Finding the Fourth Proportional to 11,449.34, 17,019.62 and 11,113.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,449.34 : 17,019.62 = 11,113.02 : x
2. Step 2: Convert to fraction form
   11,449.34/17,019.62 = 11,113.02/x
3. Step 3: Cross multiply
   11,449.34x = 17,019.62 × 11,113.02
4. Step 4: Simplify right side
   11,449.34x = 189,139,377.45
5. Step 5: Solve for x
   x = 189,139,377.45/11,449.34
6. Step 6: Final answer
   x = 16,519.68