Finding the Fourth Proportional to 2,911.74, 4,369.50 and 1,180.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,911.74 : 4,369.50 = 1,180.50 : x
2. Step 2: Convert to fraction form
   2,911.74/4,369.50 = 1,180.50/x
3. Step 3: Cross multiply
   2,911.74x = 4,369.50 × 1,180.50
4. Step 4: Simplify right side
   2,911.74x = 5,158,194.75
5. Step 5: Solve for x
   x = 5,158,194.75/2,911.74
6. Step 6: Final answer
   x = 1,771.52