Finding the Fourth Proportional to 1,715, 2,367.72 and 1,300.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715 : 2,367.72 = 1,300.28 : x
2. Step 2: Convert to fraction form
   1,715/2,367.72 = 1,300.28/x
3. Step 3: Cross multiply
   1,715x = 2,367.72 × 1,300.28
4. Step 4: Simplify right side
   1,715x = 3,078,698.96
5. Step 5: Solve for x
   x = 3,078,698.96/1,715
6. Step 6: Final answer
   x = 1,795.16