Finding the Fourth Proportional to 7,117.72, 10,671.98 and 2,960.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,117.72 : 10,671.98 = 2,960.59 : x
2. Step 2: Convert to fraction form
   7,117.72/10,671.98 = 2,960.59/x
3. Step 3: Cross multiply
   7,117.72x = 10,671.98 × 2,960.59
4. Step 4: Simplify right side
   7,117.72x = 31,595,357.27
5. Step 5: Solve for x
   x = 31,595,357.27/7,117.72
6. Step 6: Final answer
   x = 4,438.97