Finding the Fourth Proportional to 2,277,896.13, 3,144,288.27 and 1,311,411.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277,896.13 : 3,144,288.27 = 1,311,411.60 : x
2. Step 2: Convert to fraction form
   2,277,896.13/3,144,288.27 = 1,311,411.60/x
3. Step 3: Cross multiply
   2,277,896.13x = 3,144,288.27 × 1,311,411.60
4. Step 4: Simplify right side
   2,277,896.13x = 4,123,456,111,021.93
5. Step 5: Solve for x
   x = 4,123,456,111,021.93/2,277,896.13
6. Step 6: Final answer
   x = 1,810,203.75