Finding the Fourth Proportional to 12,789,627.69, 19,187,456.41 and 4,153,699.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,789,627.69 : 19,187,456.41 = 4,153,699.05 : x
2. Step 2: Convert to fraction form
   12,789,627.69/19,187,456.41 = 4,153,699.05/x
3. Step 3: Cross multiply
   12,789,627.69x = 19,187,456.41 × 4,153,699.05
4. Step 4: Simplify right side
   12,789,627.69x = 79,698,919,462,133.41
5. Step 5: Solve for x
   x = 79,698,919,462,133.41/12,789,627.69
6. Step 6: Final answer
   x = 6,231,527.72