Finding the Fourth Proportional to 1,174.78, 1,770.82 and 1,076.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.78 : 1,770.82 = 1,076.19 : x
2. Step 2: Convert to fraction form
   1,174.78/1,770.82 = 1,076.19/x
3. Step 3: Cross multiply
   1,174.78x = 1,770.82 × 1,076.19
4. Step 4: Simplify right side
   1,174.78x = 1,905,738.78
5. Step 5: Solve for x
   x = 1,905,738.78/1,174.78
6. Step 6: Final answer
   x = 1,622.21