Finding the Fourth Proportional to 25,601.79, 38,338.56 and 16,213.49

Step by Step Solution

1. Step 1: Write the proportion equation
   25,601.79 : 38,338.56 = 16,213.49 : x
2. Step 2: Convert to fraction form
   25,601.79/38,338.56 = 16,213.49/x
3. Step 3: Cross multiply
   25,601.79x = 38,338.56 × 16,213.49
4. Step 4: Simplify right side
   25,601.79x = 621,601,667.48
5. Step 5: Solve for x
   x = 621,601,667.48/25,601.79
6. Step 6: Final answer
   x = 24,279.62