Finding the Fourth Proportional to 25,196.28, 34,771.64 and 13,866.16

Step by Step Solution

1. Step 1: Write the proportion equation
   25,196.28 : 34,771.64 = 13,866.16 : x
2. Step 2: Convert to fraction form
   25,196.28/34,771.64 = 13,866.16/x
3. Step 3: Cross multiply
   25,196.28x = 34,771.64 × 13,866.16
4. Step 4: Simplify right side
   25,196.28x = 482,149,123.70
5. Step 5: Solve for x
   x = 482,149,123.70/25,196.28
6. Step 6: Final answer
   x = 19,135.73