Finding the Fourth Proportional to 1,498.35, 2,245.91 and 766.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.35 : 2,245.91 = 766.92 : x
2. Step 2: Convert to fraction form
   1,498.35/2,245.91 = 766.92/x
3. Step 3: Cross multiply
   1,498.35x = 2,245.91 × 766.92
4. Step 4: Simplify right side
   1,498.35x = 1,722,429.46
5. Step 5: Solve for x
   x = 1,722,429.46/1,498.35
6. Step 6: Final answer
   x = 1,149.55