Finding the Fourth Proportional to 25,510.16, 38,258.87 and 10,729.69

Step by Step Solution

1. Step 1: Write the proportion equation
   25,510.16 : 38,258.87 = 10,729.69 : x
2. Step 2: Convert to fraction form
   25,510.16/38,258.87 = 10,729.69/x
3. Step 3: Cross multiply
   25,510.16x = 38,258.87 × 10,729.69
4. Step 4: Simplify right side
   25,510.16x = 410,505,665.55
5. Step 5: Solve for x
   x = 410,505,665.55/25,510.16
6. Step 6: Final answer
   x = 16,091.85