Finding the Fourth Proportional to 23,106.43, 31,886.91 and 12,496.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,106.43 : 31,886.91 = 12,496.06 : x
2. Step 2: Convert to fraction form
   23,106.43/31,886.91 = 12,496.06/x
3. Step 3: Cross multiply
   23,106.43x = 31,886.91 × 12,496.06
4. Step 4: Simplify right side
   23,106.43x = 398,460,740.57
5. Step 5: Solve for x
   x = 398,460,740.57/23,106.43
6. Step 6: Final answer
   x = 17,244.58