Finding the Fourth Proportional to 2,118.52, 2,924.33 and 1,279.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.52 : 2,924.33 = 1,279.22 : x
2. Step 2: Convert to fraction form
   2,118.52/2,924.33 = 1,279.22/x
3. Step 3: Cross multiply
   2,118.52x = 2,924.33 × 1,279.22
4. Step 4: Simplify right side
   2,118.52x = 3,740,862.34
5. Step 5: Solve for x
   x = 3,740,862.34/2,118.52
6. Step 6: Final answer
   x = 1,765.79