Finding the Fourth Proportional to 2,649.69, 3,975.44 and 1,264.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.69 : 3,975.44 = 1,264.05 : x
2. Step 2: Convert to fraction form
   2,649.69/3,975.44 = 1,264.05/x
3. Step 3: Cross multiply
   2,649.69x = 3,975.44 × 1,264.05
4. Step 4: Simplify right side
   2,649.69x = 5,025,148.61
5. Step 5: Solve for x
   x = 5,025,148.61/2,649.69
6. Step 6: Final answer
   x = 1,896.50