Finding the Fourth Proportional to 25,322.94, 34,945.52 and 13,992.42

Step by Step Solution

1. Step 1: Write the proportion equation
   25,322.94 : 34,945.52 = 13,992.42 : x
2. Step 2: Convert to fraction form
   25,322.94/34,945.52 = 13,992.42/x
3. Step 3: Cross multiply
   25,322.94x = 34,945.52 × 13,992.42
4. Step 4: Simplify right side
   25,322.94x = 488,972,392.96
5. Step 5: Solve for x
   x = 488,972,392.96/25,322.94
6. Step 6: Final answer
   x = 19,309.46