Finding the Fourth Proportional to 2,615.31, 3,924.32 and 1,738.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.31 : 3,924.32 = 1,738.42 : x
2. Step 2: Convert to fraction form
   2,615.31/3,924.32 = 1,738.42/x
3. Step 3: Cross multiply
   2,615.31x = 3,924.32 × 1,738.42
4. Step 4: Simplify right side
   2,615.31x = 6,822,097.87
5. Step 5: Solve for x
   x = 6,822,097.87/2,615.31
6. Step 6: Final answer
   x = 2,608.52