Finding the Fourth Proportional to 18,091.62, 24,969.06 and 10,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,091.62 : 24,969.06 = 10,134.72 : x
2. Step 2: Convert to fraction form
   18,091.62/24,969.06 = 10,134.72/x
3. Step 3: Cross multiply
   18,091.62x = 24,969.06 × 10,134.72
4. Step 4: Simplify right side
   18,091.62x = 253,054,431.76
5. Step 5: Solve for x
   x = 253,054,431.76/18,091.62
6. Step 6: Final answer
   x = 13,987.38