Finding the Fourth Proportional to 2,488.53, 3,729.72 and 2,180.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.53 : 3,729.72 = 2,180.98 : x
2. Step 2: Convert to fraction form
   2,488.53/3,729.72 = 2,180.98/x
3. Step 3: Cross multiply
   2,488.53x = 3,729.72 × 2,180.98
4. Step 4: Simplify right side
   2,488.53x = 8,134,444.73
5. Step 5: Solve for x
   x = 8,134,444.73/2,488.53
6. Step 6: Final answer
   x = 3,268.78