Finding the Fourth Proportional to 18,111.74, 24,995.26 and 10,156.52

Step by Step Solution

1. Step 1: Write the proportion equation
   18,111.74 : 24,995.26 = 10,156.52 : x
2. Step 2: Convert to fraction form
   18,111.74/24,995.26 = 10,156.52/x
3. Step 3: Cross multiply
   18,111.74x = 24,995.26 × 10,156.52
4. Step 4: Simplify right side
   18,111.74x = 253,864,858.10
5. Step 5: Solve for x
   x = 253,864,858.10/18,111.74
6. Step 6: Final answer
   x = 14,016.59