Finding the Fourth Proportional to 25,990.72, 35,872.76 and 16,424.52

Step by Step Solution

1. Step 1: Write the proportion equation
   25,990.72 : 35,872.76 = 16,424.52 : x
2. Step 2: Convert to fraction form
   25,990.72/35,872.76 = 16,424.52/x
3. Step 3: Cross multiply
   25,990.72x = 35,872.76 × 16,424.52
4. Step 4: Simplify right side
   25,990.72x = 589,192,880.01
5. Step 5: Solve for x
   x = 589,192,880.01/25,990.72
6. Step 6: Final answer
   x = 22,669.35