Finding the Fourth Proportional to 1,770.25, 2,443.61 and 1,329.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.25 : 2,443.61 = 1,329.43 : x
2. Step 2: Convert to fraction form
   1,770.25/2,443.61 = 1,329.43/x
3. Step 3: Cross multiply
   1,770.25x = 2,443.61 × 1,329.43
4. Step 4: Simplify right side
   1,770.25x = 3,248,589.58
5. Step 5: Solve for x
   x = 3,248,589.58/1,770.25
6. Step 6: Final answer
   x = 1,835.10