Finding the Fourth Proportional to 1,736.10, 2,605.37 and 762.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,736.10 : 2,605.37 = 762.89 : x
2. Step 2: Convert to fraction form
   1,736.10/2,605.37 = 762.89/x
3. Step 3: Cross multiply
   1,736.10x = 2,605.37 × 762.89
4. Step 4: Simplify right side
   1,736.10x = 1,987,593.88
5. Step 5: Solve for x
   x = 1,987,593.88/1,736.10
6. Step 6: Final answer
   x = 1,144.86