Finding the Fourth Proportional to 18,460.32, 25,499.28 and 14,936.82

Step by Step Solution

1. Step 1: Write the proportion equation
   18,460.32 : 25,499.28 = 14,936.82 : x
2. Step 2: Convert to fraction form
   18,460.32/25,499.28 = 14,936.82/x
3. Step 3: Cross multiply
   18,460.32x = 25,499.28 × 14,936.82
4. Step 4: Simplify right side
   18,460.32x = 380,878,155.49
5. Step 5: Solve for x
   x = 380,878,155.49/18,460.32
6. Step 6: Final answer
   x = 20,632.26