Finding the Fourth Proportional to 16,782.10, 25,151.55 and 10,201.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,782.10 : 25,151.55 = 10,201.30 : x
2. Step 2: Convert to fraction form
   16,782.10/25,151.55 = 10,201.30/x
3. Step 3: Cross multiply
   16,782.10x = 25,151.55 × 10,201.30
4. Step 4: Simplify right side
   16,782.10x = 256,578,507.02
5. Step 5: Solve for x
   x = 256,578,507.02/16,782.10
6. Step 6: Final answer
   x = 15,288.82