Finding the Fourth Proportional to 6,920.02, 10,380.15 and 1,725.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,920.02 : 10,380.15 = 1,725.91 : x
2. Step 2: Convert to fraction form
   6,920.02/10,380.15 = 1,725.91/x
3. Step 3: Cross multiply
   6,920.02x = 10,380.15 × 1,725.91
4. Step 4: Simplify right side
   6,920.02x = 17,915,204.69
5. Step 5: Solve for x
   x = 17,915,204.69/6,920.02
6. Step 6: Final answer
   x = 2,588.89