Finding the Fourth Proportional to 25,688.72, 35,448.72 and 14,510

Step by Step Solution

1. Step 1: Write the proportion equation
   25,688.72 : 35,448.72 = 14,510 : x
2. Step 2: Convert to fraction form
   25,688.72/35,448.72 = 14,510/x
3. Step 3: Cross multiply
   25,688.72x = 35,448.72 × 14,510
4. Step 4: Simplify right side
   25,688.72x = 514,360,927.20
5. Step 5: Solve for x
   x = 514,360,927.20/25,688.72
6. Step 6: Final answer
   x = 20,022.83