Finding the Fourth Proportional to 2,243.89, 3,364.62 and 762.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.89 : 3,364.62 = 762.67 : x
2. Step 2: Convert to fraction form
   2,243.89/3,364.62 = 762.67/x
3. Step 3: Cross multiply
   2,243.89x = 3,364.62 × 762.67
4. Step 4: Simplify right side
   2,243.89x = 2,566,094.74
5. Step 5: Solve for x
   x = 2,566,094.74/2,243.89
6. Step 6: Final answer
   x = 1,143.59