Finding the Fourth Proportional to 1,692.15, 2,335.38 and 1,167.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692.15 : 2,335.38 = 1,167.27 : x
2. Step 2: Convert to fraction form
   1,692.15/2,335.38 = 1,167.27/x
3. Step 3: Cross multiply
   1,692.15x = 2,335.38 × 1,167.27
4. Step 4: Simplify right side
   1,692.15x = 2,726,019.01
5. Step 5: Solve for x
   x = 2,726,019.01/1,692.15
6. Step 6: Final answer
   x = 1,610.98