Finding the Fourth Proportional to 18,123.09, 25,010.90 and 10,164.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,123.09 : 25,010.90 = 10,164.69 : x
2. Step 2: Convert to fraction form
   18,123.09/25,010.90 = 10,164.69/x
3. Step 3: Cross multiply
   18,123.09x = 25,010.90 × 10,164.69
4. Step 4: Simplify right side
   18,123.09x = 254,227,994.30
5. Step 5: Solve for x
   x = 254,227,994.30/18,123.09
6. Step 6: Final answer
   x = 14,027.85