Finding the Fourth Proportional to 2,499.52, 3,751.60 and 1,267.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.52 : 3,751.60 = 1,267.80 : x
2. Step 2: Convert to fraction form
   2,499.52/3,751.60 = 1,267.80/x
3. Step 3: Cross multiply
   2,499.52x = 3,751.60 × 1,267.80
4. Step 4: Simplify right side
   2,499.52x = 4,756,278.48
5. Step 5: Solve for x
   x = 4,756,278.48/2,499.52
6. Step 6: Final answer
   x = 1,902.88