Finding the Fourth Proportional to 2,672.17, 4,007.59 and 797.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.17 : 4,007.59 = 797.69 : x
2. Step 2: Convert to fraction form
   2,672.17/4,007.59 = 797.69/x
3. Step 3: Cross multiply
   2,672.17x = 4,007.59 × 797.69
4. Step 4: Simplify right side
   2,672.17x = 3,196,814.47
5. Step 5: Solve for x
   x = 3,196,814.47/2,672.17
6. Step 6: Final answer
   x = 1,196.34