Finding the Fourth Proportional to 2,727.60, 4,092.20 and 1,267.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,727.60 : 4,092.20 = 1,267.98 : x
2. Step 2: Convert to fraction form
   2,727.60/4,092.20 = 1,267.98/x
3. Step 3: Cross multiply
   2,727.60x = 4,092.20 × 1,267.98
4. Step 4: Simplify right side
   2,727.60x = 5,188,827.76
5. Step 5: Solve for x
   x = 5,188,827.76/2,727.60
6. Step 6: Final answer
   x = 1,902.34