Finding the Fourth Proportional to 1,498.38, 2,246.18 and 767.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.38 : 2,246.18 = 767.77 : x
2. Step 2: Convert to fraction form
   1,498.38/2,246.18 = 767.77/x
3. Step 3: Cross multiply
   1,498.38x = 2,246.18 × 767.77
4. Step 4: Simplify right side
   1,498.38x = 1,724,540.16
5. Step 5: Solve for x
   x = 1,724,540.16/1,498.38
6. Step 6: Final answer
   x = 1,150.94