Finding the Fourth Proportional to 18,123.84, 25,008.90 and 10,164.42

Step by Step Solution

1. Step 1: Write the proportion equation
   18,123.84 : 25,008.90 = 10,164.42 : x
2. Step 2: Convert to fraction form
   18,123.84/25,008.90 = 10,164.42/x
3. Step 3: Cross multiply
   18,123.84x = 25,008.90 × 10,164.42
4. Step 4: Simplify right side
   18,123.84x = 254,200,963.34
5. Step 5: Solve for x
   x = 254,200,963.34/18,123.84
6. Step 6: Final answer
   x = 14,025.78