Finding the Fourth Proportional to 1,795.64, 2,692.72 and 685.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,795.64 : 2,692.72 = 685.46 : x
2. Step 2: Convert to fraction form
   1,795.64/2,692.72 = 685.46/x
3. Step 3: Cross multiply
   1,795.64x = 2,692.72 × 685.46
4. Step 4: Simplify right side
   1,795.64x = 1,845,736.67
5. Step 5: Solve for x
   x = 1,845,736.67/1,795.64
6. Step 6: Final answer
   x = 1,027.90