Finding the Fourth Proportional to 18,139.59, 25,032.83 and 10,181.97

Step by Step Solution

1. Step 1: Write the proportion equation
   18,139.59 : 25,032.83 = 10,181.97 : x
2. Step 2: Convert to fraction form
   18,139.59/25,032.83 = 10,181.97/x
3. Step 3: Cross multiply
   18,139.59x = 25,032.83 × 10,181.97
4. Step 4: Simplify right side
   18,139.59x = 254,883,473.17
5. Step 5: Solve for x
   x = 254,883,473.17/18,139.59
6. Step 6: Final answer
   x = 14,051.23