Finding the Fourth Proportional to 1,773.69, 2,660.00 and 1,180.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.69 : 2,660.00 = 1,180.77 : x
2. Step 2: Convert to fraction form
   1,773.69/2,660.00 = 1,180.77/x
3. Step 3: Cross multiply
   1,773.69x = 2,660.00 × 1,180.77
4. Step 4: Simplify right side
   1,773.69x = 3,140,842.30
5. Step 5: Solve for x
   x = 3,140,842.30/1,773.69
6. Step 6: Final answer
   x = 1,770.80