Finding the Fourth Proportional to 23,068.55, 31,834.70 and 12,997.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,068.55 : 31,834.70 = 12,997.15 : x
2. Step 2: Convert to fraction form
   23,068.55/31,834.70 = 12,997.15/x
3. Step 3: Cross multiply
   23,068.55x = 31,834.70 × 12,997.15
4. Step 4: Simplify right side
   23,068.55x = 413,760,348.38
5. Step 5: Solve for x
   x = 413,760,348.38/23,068.55
6. Step 6: Final answer
   x = 17,936.13