Finding the Fourth Proportional to 23,097.60, 31,874.72 and 12,487.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,097.60 : 31,874.72 = 12,487.23 : x
2. Step 2: Convert to fraction form
   23,097.60/31,874.72 = 12,487.23/x
3. Step 3: Cross multiply
   23,097.60x = 31,874.72 × 12,487.23
4. Step 4: Simplify right side
   23,097.60x = 398,026,897.39
5. Step 5: Solve for x
   x = 398,026,897.39/23,097.60
6. Step 6: Final answer
   x = 17,232.39