Finding the Fourth Proportional to 22,429.74, 30,952.89 and 12,357.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,429.74 : 30,952.89 = 12,357.96 : x
2. Step 2: Convert to fraction form
   22,429.74/30,952.89 = 12,357.96/x
3. Step 3: Cross multiply
   22,429.74x = 30,952.89 × 12,357.96
4. Step 4: Simplify right side
   22,429.74x = 382,514,576.50
5. Step 5: Solve for x
   x = 382,514,576.50/22,429.74
6. Step 6: Final answer
   x = 17,053.90