Finding the Fourth Proportional to 18,061.21, 24,927.69 and 10,892.40

Step by Step Solution

1. Step 1: Write the proportion equation
   18,061.21 : 24,927.69 = 10,892.40 : x
2. Step 2: Convert to fraction form
   18,061.21/24,927.69 = 10,892.40/x
3. Step 3: Cross multiply
   18,061.21x = 24,927.69 × 10,892.40
4. Step 4: Simplify right side
   18,061.21x = 271,522,370.56
5. Step 5: Solve for x
   x = 271,522,370.56/18,061.21
6. Step 6: Final answer
   x = 15,033.45