Finding the Fourth Proportional to 19,043,789.33, 26,288,470.83 and 12,857,212.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,043,789.33 : 26,288,470.83 = 12,857,212.82 : x
2. Step 2: Convert to fraction form
   19,043,789.33/26,288,470.83 = 12,857,212.82/x
3. Step 3: Cross multiply
   19,043,789.33x = 26,288,470.83 × 12,857,212.82
4. Step 4: Simplify right side
   19,043,789.33x = 337,996,464,042,229.62
5. Step 5: Solve for x
   x = 337,996,464,042,229.62/19,043,789.33
6. Step 6: Final answer
   x = 17,748,382.86