Finding the Fourth Proportional to 23,139.02, 34,714.67 and 12,042.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,139.02 : 34,714.67 = 12,042.42 : x
2. Step 2: Convert to fraction form
   23,139.02/34,714.67 = 12,042.42/x
3. Step 3: Cross multiply
   23,139.02x = 34,714.67 × 12,042.42
4. Step 4: Simplify right side
   23,139.02x = 418,048,576.09
5. Step 5: Solve for x
   x = 418,048,576.09/23,139.02
6. Step 6: Final answer
   x = 18,066.83