Finding the Fourth Proportional to 2,978,726.94, 4,468,139.69 and 1,440,828.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,726.94 : 4,468,139.69 = 1,440,828.54 : x
2. Step 2: Convert to fraction form
   2,978,726.94/4,468,139.69 = 1,440,828.54/x
3. Step 3: Cross multiply
   2,978,726.94x = 4,468,139.69 × 1,440,828.54
4. Step 4: Simplify right side
   2,978,726.94x = 6,437,823,178,854.61
5. Step 5: Solve for x
   x = 6,437,823,178,854.61/2,978,726.94
6. Step 6: Final answer
   x = 2,161,266.64