Finding the Fourth Proportional to 25,140.50, 34,693.82 and 13,809.96

Step by Step Solution

1. Step 1: Write the proportion equation
   25,140.50 : 34,693.82 = 13,809.96 : x
2. Step 2: Convert to fraction form
   25,140.50/34,693.82 = 13,809.96/x
3. Step 3: Cross multiply
   25,140.50x = 34,693.82 × 13,809.96
4. Step 4: Simplify right side
   25,140.50x = 479,120,266.45
5. Step 5: Solve for x
   x = 479,120,266.45/25,140.50
6. Step 6: Final answer
   x = 19,057.71