Finding the Fourth Proportional to 1,797.35, 2,479.59 and 1,298.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,797.35 : 2,479.59 = 1,298.88 : x
2. Step 2: Convert to fraction form
   1,797.35/2,479.59 = 1,298.88/x
3. Step 3: Cross multiply
   1,797.35x = 2,479.59 × 1,298.88
4. Step 4: Simplify right side
   1,797.35x = 3,220,689.86
5. Step 5: Solve for x
   x = 3,220,689.86/1,797.35
6. Step 6: Final answer
   x = 1,791.92