Finding the Fourth Proportional to 18,525.31, 25,564.93 and 10,141.81

Step by Step Solution

1. Step 1: Write the proportion equation
   18,525.31 : 25,564.93 = 10,141.81 : x
2. Step 2: Convert to fraction form
   18,525.31/25,564.93 = 10,141.81/x
3. Step 3: Cross multiply
   18,525.31x = 25,564.93 × 10,141.81
4. Step 4: Simplify right side
   18,525.31x = 259,274,662.72
5. Step 5: Solve for x
   x = 259,274,662.72/18,525.31
6. Step 6: Final answer
   x = 13,995.70