Finding the Fourth Proportional to 23,106.22, 31,886.38 and 12,495.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,106.22 : 31,886.38 = 12,495.86 : x
2. Step 2: Convert to fraction form
   23,106.22/31,886.38 = 12,495.86/x
3. Step 3: Cross multiply
   23,106.22x = 31,886.38 × 12,495.86
4. Step 4: Simplify right side
   23,106.22x = 398,447,706.45
5. Step 5: Solve for x
   x = 398,447,706.45/23,106.22
6. Step 6: Final answer
   x = 17,244.17