Finding the Fourth Proportional to 1,769.05, 2,654.84 and 1,426.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.05 : 2,654.84 = 1,426.51 : x
2. Step 2: Convert to fraction form
   1,769.05/2,654.84 = 1,426.51/x
3. Step 3: Cross multiply
   1,769.05x = 2,654.84 × 1,426.51
4. Step 4: Simplify right side
   1,769.05x = 3,787,155.81
5. Step 5: Solve for x
   x = 3,787,155.81/1,769.05
6. Step 6: Final answer
   x = 2,140.79