Finding the Fourth Proportional to 4,627.69, 6,386.22 and 2,764.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,627.69 : 6,386.22 = 2,764.69 : x
2. Step 2: Convert to fraction form
   4,627.69/6,386.22 = 2,764.69/x
3. Step 3: Cross multiply
   4,627.69x = 6,386.22 × 2,764.69
4. Step 4: Simplify right side
   4,627.69x = 17,655,902.61
5. Step 5: Solve for x
   x = 17,655,902.61/4,627.69
6. Step 6: Final answer
   x = 3,815.28