Finding the Fourth Proportional to 1,777.82, 2,667.33 and 1,127.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.82 : 2,667.33 = 1,127.79 : x
2. Step 2: Convert to fraction form
   1,777.82/2,667.33 = 1,127.79/x
3. Step 3: Cross multiply
   1,777.82x = 2,667.33 × 1,127.79
4. Step 4: Simplify right side
   1,777.82x = 3,008,188.10
5. Step 5: Solve for x
   x = 3,008,188.10/1,777.82
6. Step 6: Final answer
   x = 1,692.07