Finding the Fourth Proportional to 18,499.74, 25,532.14 and 10,435.06

Step by Step Solution

1. Step 1: Write the proportion equation
   18,499.74 : 25,532.14 = 10,435.06 : x
2. Step 2: Convert to fraction form
   18,499.74/25,532.14 = 10,435.06/x
3. Step 3: Cross multiply
   18,499.74x = 25,532.14 × 10,435.06
4. Step 4: Simplify right side
   18,499.74x = 266,429,412.83
5. Step 5: Solve for x
   x = 266,429,412.83/18,499.74
6. Step 6: Final answer
   x = 14,401.79