Finding the Fourth Proportional to 2,910.38, 4,365.59 and 1,179

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.38 : 4,365.59 = 1,179 : x
2. Step 2: Convert to fraction form
   2,910.38/4,365.59 = 1,179/x
3. Step 3: Cross multiply
   2,910.38x = 4,365.59 × 1,179
4. Step 4: Simplify right side
   2,910.38x = 5,147,024.72
5. Step 5: Solve for x
   x = 5,147,024.72/2,910.38
6. Step 6: Final answer
   x = 1,768.51