Finding the Fourth Proportional to 18,499.27, 25,531.50 and 10,434.58

Step by Step Solution

1. Step 1: Write the proportion equation
   18,499.27 : 25,531.50 = 10,434.58 : x
2. Step 2: Convert to fraction form
   18,499.27/25,531.50 = 10,434.58/x
3. Step 3: Cross multiply
   18,499.27x = 25,531.50 × 10,434.58
4. Step 4: Simplify right side
   18,499.27x = 266,410,427.10
5. Step 5: Solve for x
   x = 266,410,427.10/18,499.27
6. Step 6: Final answer
   x = 14,401.13