Finding the Fourth Proportional to 2,822.80, 4,234.69 and 1,180.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,822.80 : 4,234.69 = 1,180.50 : x
2. Step 2: Convert to fraction form
   2,822.80/4,234.69 = 1,180.50/x
3. Step 3: Cross multiply
   2,822.80x = 4,234.69 × 1,180.50
4. Step 4: Simplify right side
   2,822.80x = 4,999,051.55
5. Step 5: Solve for x
   x = 4,999,051.55/2,822.80
6. Step 6: Final answer
   x = 1,770.95