Finding the Fourth Proportional to 2,262.68, 3,389.82 and 1,167.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.68 : 3,389.82 = 1,167.72 : x
2. Step 2: Convert to fraction form
   2,262.68/3,389.82 = 1,167.72/x
3. Step 3: Cross multiply
   2,262.68x = 3,389.82 × 1,167.72
4. Step 4: Simplify right side
   2,262.68x = 3,958,360.61
5. Step 5: Solve for x
   x = 3,958,360.61/2,262.68
6. Step 6: Final answer
   x = 1,749.41