Finding the Fourth Proportional to 1,975.79, 2,958.42 and 1,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,975.79 : 2,958.42 = 1,726.72 : x
2. Step 2: Convert to fraction form
   1,975.79/2,958.42 = 1,726.72/x
3. Step 3: Cross multiply
   1,975.79x = 2,958.42 × 1,726.72
4. Step 4: Simplify right side
   1,975.79x = 5,108,362.06
5. Step 5: Solve for x
   x = 5,108,362.06/1,975.79
6. Step 6: Final answer
   x = 2,585.47