Finding the Fourth Proportional to 25,616.27, 38,428.00 and 8,972.49

Step by Step Solution

1. Step 1: Write the proportion equation
   25,616.27 : 38,428.00 = 8,972.49 : x
2. Step 2: Convert to fraction form
   25,616.27/38,428.00 = 8,972.49/x
3. Step 3: Cross multiply
   25,616.27x = 38,428.00 × 8,972.49
4. Step 4: Simplify right side
   25,616.27x = 344,794,800.86
5. Step 5: Solve for x
   x = 344,794,800.86/25,616.27
6. Step 6: Final answer
   x = 13,460.00