Finding the Fourth Proportional to 25,362.78, 35,008.16 and 16,410.05

Step by Step Solution

1. Step 1: Write the proportion equation
   25,362.78 : 35,008.16 = 16,410.05 : x
2. Step 2: Convert to fraction form
   25,362.78/35,008.16 = 16,410.05/x
3. Step 3: Cross multiply
   25,362.78x = 35,008.16 × 16,410.05
4. Step 4: Simplify right side
   25,362.78x = 574,485,656.01
5. Step 5: Solve for x
   x = 574,485,656.01/25,362.78
6. Step 6: Final answer
   x = 22,650.74