Finding the Fourth Proportional to 2,091.24, 3,137.12 and 704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.24 : 3,137.12 = 704.72 : x
2. Step 2: Convert to fraction form
   2,091.24/3,137.12 = 704.72/x
3. Step 3: Cross multiply
   2,091.24x = 3,137.12 × 704.72
4. Step 4: Simplify right side
   2,091.24x = 2,210,791.21
5. Step 5: Solve for x
   x = 2,210,791.21/2,091.24
6. Step 6: Final answer
   x = 1,057.17