Finding the Fourth Proportional to 18,527.32, 25,567.69 and 10,143.82

Step by Step Solution

1. Step 1: Write the proportion equation
   18,527.32 : 25,567.69 = 10,143.82 : x
2. Step 2: Convert to fraction form
   18,527.32/25,567.69 = 10,143.82/x
3. Step 3: Cross multiply
   18,527.32x = 25,567.69 × 10,143.82
4. Step 4: Simplify right side
   18,527.32x = 259,354,045.18
5. Step 5: Solve for x
   x = 259,354,045.18/18,527.32
6. Step 6: Final answer
   x = 13,998.47