Finding the Fourth Proportional to 2,145.77, 2,958.51 and 1,726.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145.77 : 2,958.51 = 1,726.14 : x
2. Step 2: Convert to fraction form
   2,145.77/2,958.51 = 1,726.14/x
3. Step 3: Cross multiply
   2,145.77x = 2,958.51 × 1,726.14
4. Step 4: Simplify right side
   2,145.77x = 5,106,802.45
5. Step 5: Solve for x
   x = 5,106,802.45/2,145.77
6. Step 6: Final answer
   x = 2,379.94