Finding the Fourth Proportional to 25,117.94, 34,667.54 and 16,620.23

Step by Step Solution

1. Step 1: Write the proportion equation
   25,117.94 : 34,667.54 = 16,620.23 : x
2. Step 2: Convert to fraction form
   25,117.94/34,667.54 = 16,620.23/x
3. Step 3: Cross multiply
   25,117.94x = 34,667.54 × 16,620.23
4. Step 4: Simplify right side
   25,117.94x = 576,182,488.33
5. Step 5: Solve for x
   x = 576,182,488.33/25,117.94
6. Step 6: Final answer
   x = 22,939.08