Finding the Fourth Proportional to 19,544,663.34, 26,960,429.52 and 12,189,727.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,544,663.34 : 26,960,429.52 = 12,189,727.42 : x
2. Step 2: Convert to fraction form
   19,544,663.34/26,960,429.52 = 12,189,727.42/x
3. Step 3: Cross multiply
   19,544,663.34x = 26,960,429.52 × 12,189,727.42
4. Step 4: Simplify right side
   19,544,663.34x = 328,640,286,907,520.38
5. Step 5: Solve for x
   x = 328,640,286,907,520.38/19,544,663.34
6. Step 6: Final answer
   x = 16,814,834.88