Finding the Fourth Proportional to 1,725.07, 2,380.82 and 979.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725.07 : 2,380.82 = 979.27 : x
2. Step 2: Convert to fraction form
   1,725.07/2,380.82 = 979.27/x
3. Step 3: Cross multiply
   1,725.07x = 2,380.82 × 979.27
4. Step 4: Simplify right side
   1,725.07x = 2,331,465.60
5. Step 5: Solve for x
   x = 2,331,465.60/1,725.07
6. Step 6: Final answer
   x = 1,351.52