Finding the Fourth Proportional to 2,347.69, 3,521.57 and 704.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.69 : 3,521.57 = 704.26 : x
2. Step 2: Convert to fraction form
   2,347.69/3,521.57 = 704.26/x
3. Step 3: Cross multiply
   2,347.69x = 3,521.57 × 704.26
4. Step 4: Simplify right side
   2,347.69x = 2,480,100.89
5. Step 5: Solve for x
   x = 2,480,100.89/2,347.69
6. Step 6: Final answer
   x = 1,056.40