Finding the Fourth Proportional to 2,498.76, 3,746.79 and 1,405.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.76 : 3,746.79 = 1,405.26 : x
2. Step 2: Convert to fraction form
   2,498.76/3,746.79 = 1,405.26/x
3. Step 3: Cross multiply
   2,498.76x = 3,746.79 × 1,405.26
4. Step 4: Simplify right side
   2,498.76x = 5,265,214.12
5. Step 5: Solve for x
   x = 5,265,214.12/2,498.76
6. Step 6: Final answer
   x = 2,107.13