Finding the Fourth Proportional to 2,594.94, 3,886.34 and 1,815.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,594.94 : 3,886.34 = 1,815.72 : x
2. Step 2: Convert to fraction form
   2,594.94/3,886.34 = 1,815.72/x
3. Step 3: Cross multiply
   2,594.94x = 3,886.34 × 1,815.72
4. Step 4: Simplify right side
   2,594.94x = 7,056,505.26
5. Step 5: Solve for x
   x = 7,056,505.26/2,594.94
6. Step 6: Final answer
   x = 2,719.33