Finding the Fourth Proportional to 2,277,443.89, 3,140,836.72 and 1,889,645.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277,443.89 : 3,140,836.72 = 1,889,645.05 : x
2. Step 2: Convert to fraction form
   2,277,443.89/3,140,836.72 = 1,889,645.05/x
3. Step 3: Cross multiply
   2,277,443.89x = 3,140,836.72 × 1,889,645.05
4. Step 4: Simplify right side
   2,277,443.89x = 5,935,066,560,806.24
5. Step 5: Solve for x
   x = 5,935,066,560,806.24/2,277,443.89
6. Step 6: Final answer
   x = 2,606,020.98