Finding the Fourth Proportional to 1,769.70, 2,651.35 and 1,443.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.70 : 2,651.35 = 1,443.30 : x
2. Step 2: Convert to fraction form
   1,769.70/2,651.35 = 1,443.30/x
3. Step 3: Cross multiply
   1,769.70x = 2,651.35 × 1,443.30
4. Step 4: Simplify right side
   1,769.70x = 3,826,693.46
5. Step 5: Solve for x
   x = 3,826,693.46/1,769.70
6. Step 6: Final answer
   x = 2,162.34