Finding the Fourth Proportional to 11,315.57, 16,959.69 and 4,734.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,315.57 : 16,959.69 = 4,734.05 : x
2. Step 2: Convert to fraction form
   11,315.57/16,959.69 = 4,734.05/x
3. Step 3: Cross multiply
   11,315.57x = 16,959.69 × 4,734.05
4. Step 4: Simplify right side
   11,315.57x = 80,288,062.84
5. Step 5: Solve for x
   x = 80,288,062.84/11,315.57
6. Step 6: Final answer
   x = 7,095.36