Finding the Fourth Proportional to 13,809,598.98, 19,065,412.89 and 12,277,467.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,809,598.98 : 19,065,412.89 = 12,277,467.78 : x
2. Step 2: Convert to fraction form
   13,809,598.98/19,065,412.89 = 12,277,467.78/x
3. Step 3: Cross multiply
   13,809,598.98x = 19,065,412.89 × 12,277,467.78
4. Step 4: Simplify right side
   13,809,598.98x = 234,074,992,469,371.69
5. Step 5: Solve for x
   x = 234,074,992,469,371.69/13,809,598.98
6. Step 6: Final answer
   x = 16,950,165.81