Finding the Fourth Proportional to 2,486.88, 3,726.72 and 1,458.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486.88 : 3,726.72 = 1,458.72 : x
2. Step 2: Convert to fraction form
   2,486.88/3,726.72 = 1,458.72/x
3. Step 3: Cross multiply
   2,486.88x = 3,726.72 × 1,458.72
4. Step 4: Simplify right side
   2,486.88x = 5,436,241.00
5. Step 5: Solve for x
   x = 5,436,241.00/2,486.88
6. Step 6: Final answer
   x = 2,185.97