Finding the Fourth Proportional to 25,889.72, 35,707.82 and 22,310.60

Step by Step Solution

1. Step 1: Write the proportion equation
   25,889.72 : 35,707.82 = 22,310.60 : x
2. Step 2: Convert to fraction form
   25,889.72/35,707.82 = 22,310.60/x
3. Step 3: Cross multiply
   25,889.72x = 35,707.82 × 22,310.60
4. Step 4: Simplify right side
   25,889.72x = 796,662,888.89
5. Step 5: Solve for x
   x = 796,662,888.89/25,889.72
6. Step 6: Final answer
   x = 30,771.40