Finding the Fourth Proportional to 25,141.83, 34,694.78 and 13,964.55

Step by Step Solution

1. Step 1: Write the proportion equation
   25,141.83 : 34,694.78 = 13,964.55 : x
2. Step 2: Convert to fraction form
   25,141.83/34,694.78 = 13,964.55/x
3. Step 3: Cross multiply
   25,141.83x = 34,694.78 × 13,964.55
4. Step 4: Simplify right side
   25,141.83x = 484,496,920.23
5. Step 5: Solve for x
   x = 484,496,920.23/25,141.83
6. Step 6: Final answer
   x = 19,270.55