Finding the Fourth Proportional to 25,020.69, 34,527.26 and 13,687.98

Step by Step Solution

1. Step 1: Write the proportion equation
   25,020.69 : 34,527.26 = 13,687.98 : x
2. Step 2: Convert to fraction form
   25,020.69/34,527.26 = 13,687.98/x
3. Step 3: Cross multiply
   25,020.69x = 34,527.26 × 13,687.98
4. Step 4: Simplify right side
   25,020.69x = 472,608,375.89
5. Step 5: Solve for x
   x = 472,608,375.89/25,020.69
6. Step 6: Final answer
   x = 18,888.70