Finding the Fourth Proportional to 1,996.82, 2,985.38 and 1,692.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.82 : 2,985.38 = 1,692.08 : x
2. Step 2: Convert to fraction form
   1,996.82/2,985.38 = 1,692.08/x
3. Step 3: Cross multiply
   1,996.82x = 2,985.38 × 1,692.08
4. Step 4: Simplify right side
   1,996.82x = 5,051,493.33
5. Step 5: Solve for x
   x = 5,051,493.33/1,996.82
6. Step 6: Final answer
   x = 2,529.77