Finding the Fourth Proportional to 9,725.69, 13,421.61 and 5,897.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,725.69 : 13,421.61 = 5,897.22 : x
2. Step 2: Convert to fraction form
   9,725.69/13,421.61 = 5,897.22/x
3. Step 3: Cross multiply
   9,725.69x = 13,421.61 × 5,897.22
4. Step 4: Simplify right side
   9,725.69x = 79,150,186.92
5. Step 5: Solve for x
   x = 79,150,186.92/9,725.69
6. Step 6: Final answer
   x = 8,138.26