Finding the Fourth Proportional to 1,809.41, 2,714.18 and 768.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.41 : 2,714.18 = 768.35 : x
2. Step 2: Convert to fraction form
   1,809.41/2,714.18 = 768.35/x
3. Step 3: Cross multiply
   1,809.41x = 2,714.18 × 768.35
4. Step 4: Simplify right side
   1,809.41x = 2,085,443.15
5. Step 5: Solve for x
   x = 2,085,443.15/1,809.41
6. Step 6: Final answer
   x = 1,152.56