Finding the Fourth Proportional to 1,770.54, 2,443.62 and 1,274.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.54 : 2,443.62 = 1,274.82 : x
2. Step 2: Convert to fraction form
   1,770.54/2,443.62 = 1,274.82/x
3. Step 3: Cross multiply
   1,770.54x = 2,443.62 × 1,274.82
4. Step 4: Simplify right side
   1,770.54x = 3,115,175.65
5. Step 5: Solve for x
   x = 3,115,175.65/1,770.54
6. Step 6: Final answer
   x = 1,759.45