Finding the Fourth Proportional to 2,496.72, 3,740.40 and 1,876.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,496.72 : 3,740.40 = 1,876.80 : x
2. Step 2: Convert to fraction form
   2,496.72/3,740.40 = 1,876.80/x
3. Step 3: Cross multiply
   2,496.72x = 3,740.40 × 1,876.80
4. Step 4: Simplify right side
   2,496.72x = 7,019,982.72
5. Step 5: Solve for x
   x = 7,019,982.72/2,496.72
6. Step 6: Final answer
   x = 2,811.68