Finding the Fourth Proportional to 2,498.21, 3,744.40 and 1,879.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.21 : 3,744.40 = 1,879.93 : x
2. Step 2: Convert to fraction form
   2,498.21/3,744.40 = 1,879.93/x
3. Step 3: Cross multiply
   2,498.21x = 3,744.40 × 1,879.93
4. Step 4: Simplify right side
   2,498.21x = 7,039,209.89
5. Step 5: Solve for x
   x = 7,039,209.89/2,498.21
6. Step 6: Final answer
   x = 2,817.70