Finding the Fourth Proportional to 2,187,004.27, 3,018,067.78 and 1,220,134.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,004.27 : 3,018,067.78 = 1,220,134.76 : x
2. Step 2: Convert to fraction form
   2,187,004.27/3,018,067.78 = 1,220,134.76/x
3. Step 3: Cross multiply
   2,187,004.27x = 3,018,067.78 × 1,220,134.76
4. Step 4: Simplify right side
   2,187,004.27x = 3,682,449,391,323.69
5. Step 5: Solve for x
   x = 3,682,449,391,323.69/2,187,004.27
6. Step 6: Final answer
   x = 1,683,787.01