Finding the Fourth Proportional to 25,361.99, 34,978.30 and 19,003.51

Step by Step Solution

1. Step 1: Write the proportion equation
   25,361.99 : 34,978.30 = 19,003.51 : x
2. Step 2: Convert to fraction form
   25,361.99/34,978.30 = 19,003.51/x
3. Step 3: Cross multiply
   25,361.99x = 34,978.30 × 19,003.51
4. Step 4: Simplify right side
   25,361.99x = 664,710,473.83
5. Step 5: Solve for x
   x = 664,710,473.83/25,361.99
6. Step 6: Final answer
   x = 26,208.92