Finding the Fourth Proportional to 4,960.47, 7,436.93 and 3,867.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,960.47 : 7,436.93 = 3,867.15 : x
2. Step 2: Convert to fraction form
   4,960.47/7,436.93 = 3,867.15/x
3. Step 3: Cross multiply
   4,960.47x = 7,436.93 × 3,867.15
4. Step 4: Simplify right side
   4,960.47x = 28,759,704.51
5. Step 5: Solve for x
   x = 28,759,704.51/4,960.47
6. Step 6: Final answer
   x = 5,797.78