Finding the Fourth Proportional to 1,498.74, 2,248.51 and 805.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.74 : 2,248.51 = 805.11 : x
2. Step 2: Convert to fraction form
   1,498.74/2,248.51 = 805.11/x
3. Step 3: Cross multiply
   1,498.74x = 2,248.51 × 805.11
4. Step 4: Simplify right side
   1,498.74x = 1,810,297.89
5. Step 5: Solve for x
   x = 1,810,297.89/1,498.74
6. Step 6: Final answer
   x = 1,207.88