Finding the Fourth Proportional to 22,429.48, 30,952.54 and 12,357.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,429.48 : 30,952.54 = 12,357.69 : x
2. Step 2: Convert to fraction form
   22,429.48/30,952.54 = 12,357.69/x
3. Step 3: Cross multiply
   22,429.48x = 30,952.54 × 12,357.69
4. Step 4: Simplify right side
   22,429.48x = 382,501,832.24
5. Step 5: Solve for x
   x = 382,501,832.24/22,429.48
6. Step 6: Final answer
   x = 17,053.53