Finding the Fourth Proportional to 18,146.82, 25,042.50 and 10,189.02

Step by Step Solution

1. Step 1: Write the proportion equation
   18,146.82 : 25,042.50 = 10,189.02 : x
2. Step 2: Convert to fraction form
   18,146.82/25,042.50 = 10,189.02/x
3. Step 3: Cross multiply
   18,146.82x = 25,042.50 × 10,189.02
4. Step 4: Simplify right side
   18,146.82x = 255,158,533.35
5. Step 5: Solve for x
   x = 255,158,533.35/18,146.82
6. Step 6: Final answer
   x = 14,060.78