Finding the Fourth Proportional to 2,498.80, 3,738.86 and 2,365.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.80 : 3,738.86 = 2,365.30 : x
2. Step 2: Convert to fraction form
   2,498.80/3,738.86 = 2,365.30/x
3. Step 3: Cross multiply
   2,498.80x = 3,738.86 × 2,365.30
4. Step 4: Simplify right side
   2,498.80x = 8,843,527.27
5. Step 5: Solve for x
   x = 8,843,527.27/2,498.80
6. Step 6: Final answer
   x = 3,539.11