Finding the Fourth Proportional to 1,770.78, 2,443.32 and 1,024.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.78 : 2,443.32 = 1,024.47 : x
2. Step 2: Convert to fraction form
   1,770.78/2,443.32 = 1,024.47/x
3. Step 3: Cross multiply
   1,770.78x = 2,443.32 × 1,024.47
4. Step 4: Simplify right side
   1,770.78x = 2,503,108.04
5. Step 5: Solve for x
   x = 2,503,108.04/1,770.78
6. Step 6: Final answer
   x = 1,413.56