Finding the Fourth Proportional to 2,692.56, 4,035.72 and 1,231.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.56 : 4,035.72 = 1,231.86 : x
2. Step 2: Convert to fraction form
   2,692.56/4,035.72 = 1,231.86/x
3. Step 3: Cross multiply
   2,692.56x = 4,035.72 × 1,231.86
4. Step 4: Simplify right side
   2,692.56x = 4,971,442.04
5. Step 5: Solve for x
   x = 4,971,442.04/2,692.56
6. Step 6: Final answer
   x = 1,846.36