Finding the Fourth Proportional to 2,762.72, 4,144.37 and 914.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.72 : 4,144.37 = 914.17 : x
2. Step 2: Convert to fraction form
   2,762.72/4,144.37 = 914.17/x
3. Step 3: Cross multiply
   2,762.72x = 4,144.37 × 914.17
4. Step 4: Simplify right side
   2,762.72x = 3,788,654.15
5. Step 5: Solve for x
   x = 3,788,654.15/2,762.72
6. Step 6: Final answer
   x = 1,371.35