Finding the Fourth Proportional to 2,498.30, 3,746.37 and 1,921.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.30 : 3,746.37 = 1,921.58 : x
2. Step 2: Convert to fraction form
   2,498.30/3,746.37 = 1,921.58/x
3. Step 3: Cross multiply
   2,498.30x = 3,746.37 × 1,921.58
4. Step 4: Simplify right side
   2,498.30x = 7,198,949.66
5. Step 5: Solve for x
   x = 7,198,949.66/2,498.30
6. Step 6: Final answer
   x = 2,881.54