Finding the Fourth Proportional to 25,607.10, 35,369.55 and 19,710.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,607.10 : 35,369.55 = 19,710.30 : x
2. Step 2: Convert to fraction form
   25,607.10/35,369.55 = 19,710.30/x
3. Step 3: Cross multiply
   25,607.10x = 35,369.55 × 19,710.30
4. Step 4: Simplify right side
   25,607.10x = 697,144,441.37
5. Step 5: Solve for x
   x = 697,144,441.37/25,607.10
6. Step 6: Final answer
   x = 27,224.65