Finding the Fourth Proportional to 23,106.96, 31,887.60 and 12,496.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,106.96 : 31,887.60 = 12,496.59 : x
2. Step 2: Convert to fraction form
   23,106.96/31,887.60 = 12,496.59/x
3. Step 3: Cross multiply
   23,106.96x = 31,887.60 × 12,496.59
4. Step 4: Simplify right side
   23,106.96x = 398,486,263.28
5. Step 5: Solve for x
   x = 398,486,263.28/23,106.96
6. Step 6: Final answer
   x = 17,245.29