Finding the Fourth Proportional to 11,436.45, 17,155.68 and 3,116.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,436.45 : 17,155.68 = 3,116.49 : x
2. Step 2: Convert to fraction form
   11,436.45/17,155.68 = 3,116.49/x
3. Step 3: Cross multiply
   11,436.45x = 17,155.68 × 3,116.49
4. Step 4: Simplify right side
   11,436.45x = 53,465,505.16
5. Step 5: Solve for x
   x = 53,465,505.16/11,436.45
6. Step 6: Final answer
   x = 4,675.01