Finding the Fourth Proportional to 2,522.31, 3,783.37 and 767.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.31 : 3,783.37 = 767.25 : x
2. Step 2: Convert to fraction form
   2,522.31/3,783.37 = 767.25/x
3. Step 3: Cross multiply
   2,522.31x = 3,783.37 × 767.25
4. Step 4: Simplify right side
   2,522.31x = 2,902,790.63
5. Step 5: Solve for x
   x = 2,902,790.63/2,522.31
6. Step 6: Final answer
   x = 1,150.85