Finding the Fourth Proportional to 25,043.92, 34,490.91 and 19,357.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,043.92 : 34,490.91 = 19,357.72 : x
2. Step 2: Convert to fraction form
   25,043.92/34,490.91 = 19,357.72/x
3. Step 3: Cross multiply
   25,043.92x = 34,490.91 × 19,357.72
4. Step 4: Simplify right side
   25,043.92x = 667,665,364.69
5. Step 5: Solve for x
   x = 667,665,364.69/25,043.92
6. Step 6: Final answer
   x = 26,659.78