Finding the Fourth Proportional to 11,947.97, 17,916.15 and 3,626.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,947.97 : 17,916.15 = 3,626.48 : x
2. Step 2: Convert to fraction form
   11,947.97/17,916.15 = 3,626.48/x
3. Step 3: Cross multiply
   11,947.97x = 17,916.15 × 3,626.48
4. Step 4: Simplify right side
   11,947.97x = 64,972,559.65
5. Step 5: Solve for x
   x = 64,972,559.65/11,947.97
6. Step 6: Final answer
   x = 5,437.96