Finding the Fourth Proportional to 2,804.76, 3,860.86 and 2,702.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804.76 : 3,860.86 = 2,702.72 : x
2. Step 2: Convert to fraction form
   2,804.76/3,860.86 = 2,702.72/x
3. Step 3: Cross multiply
   2,804.76x = 3,860.86 × 2,702.72
4. Step 4: Simplify right side
   2,804.76x = 10,434,823.54
5. Step 5: Solve for x
   x = 10,434,823.54/2,804.76
6. Step 6: Final answer
   x = 3,720.40