Finding the Fourth Proportional to 23,103.11, 31,882.31 and 12,492.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,103.11 : 31,882.31 = 12,492.74 : x
2. Step 2: Convert to fraction form
   23,103.11/31,882.31 = 12,492.74/x
3. Step 3: Cross multiply
   23,103.11x = 31,882.31 × 12,492.74
4. Step 4: Simplify right side
   23,103.11x = 398,297,409.43
5. Step 5: Solve for x
   x = 398,297,409.43/23,103.11
6. Step 6: Final answer
   x = 17,239.99