Finding the Fourth Proportional to 10,708.75, 16,061.31 and 2,917.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,708.75 : 16,061.31 = 2,917.57 : x
2. Step 2: Convert to fraction form
   10,708.75/16,061.31 = 2,917.57/x
3. Step 3: Cross multiply
   10,708.75x = 16,061.31 × 2,917.57
4. Step 4: Simplify right side
   10,708.75x = 46,859,996.22
5. Step 5: Solve for x
   x = 46,859,996.22/10,708.75
6. Step 6: Final answer
   x = 4,375.86