Finding the Fourth Proportional to 1,692, 2,538.72 and 1,204.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692 : 2,538.72 = 1,204.32 : x
2. Step 2: Convert to fraction form
   1,692/2,538.72 = 1,204.32/x
3. Step 3: Cross multiply
   1,692x = 2,538.72 × 1,204.32
4. Step 4: Simplify right side
   1,692x = 3,057,431.27
5. Step 5: Solve for x
   x = 3,057,431.27/1,692
6. Step 6: Final answer
   x = 1,806.99