Finding the Fourth Proportional to 2,815.72, 3,886.22 and 1,696.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,815.72 : 3,886.22 = 1,696.82 : x
2. Step 2: Convert to fraction form
   2,815.72/3,886.22 = 1,696.82/x
3. Step 3: Cross multiply
   2,815.72x = 3,886.22 × 1,696.82
4. Step 4: Simplify right side
   2,815.72x = 6,594,200.63
5. Step 5: Solve for x
   x = 6,594,200.63/2,815.72
6. Step 6: Final answer
   x = 2,341.93