Finding the Fourth Proportional to 1,745.79, 2,618.72 and 1,397.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,745.79 : 2,618.72 = 1,397.51 : x
2. Step 2: Convert to fraction form
   1,745.79/2,618.72 = 1,397.51/x
3. Step 3: Cross multiply
   1,745.79x = 2,618.72 × 1,397.51
4. Step 4: Simplify right side
   1,745.79x = 3,659,667.31
5. Step 5: Solve for x
   x = 3,659,667.31/1,745.79
6. Step 6: Final answer
   x = 2,096.29