Finding the Fourth Proportional to 1,796.28, 2,692.50 and 1,281.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.28 : 2,692.50 = 1,281.72 : x
2. Step 2: Convert to fraction form
   1,796.28/2,692.50 = 1,281.72/x
3. Step 3: Cross multiply
   1,796.28x = 2,692.50 × 1,281.72
4. Step 4: Simplify right side
   1,796.28x = 3,451,031.10
5. Step 5: Solve for x
   x = 3,451,031.10/1,796.28
6. Step 6: Final answer
   x = 1,921.21