Finding the Fourth Proportional to 1,498.42, 2,248.08 and 768.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.42 : 2,248.08 = 768.51 : x
2. Step 2: Convert to fraction form
   1,498.42/2,248.08 = 768.51/x
3. Step 3: Cross multiply
   1,498.42x = 2,248.08 × 768.51
4. Step 4: Simplify right side
   1,498.42x = 1,727,671.96
5. Step 5: Solve for x
   x = 1,727,671.96/1,498.42
6. Step 6: Final answer
   x = 1,153.00