Finding the Fourth Proportional to 1,498.67, 2,248.17 and 768.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.67 : 2,248.17 = 768.42 : x
2. Step 2: Convert to fraction form
   1,498.67/2,248.17 = 768.42/x
3. Step 3: Cross multiply
   1,498.67x = 2,248.17 × 768.42
4. Step 4: Simplify right side
   1,498.67x = 1,727,538.79
5. Step 5: Solve for x
   x = 1,727,538.79/1,498.67
6. Step 6: Final answer
   x = 1,152.71