Finding the Fourth Proportional to 2,105,345.36, 3,159,428.69 and 739,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,345.36 : 3,159,428.69 = 739,123.12 : x
2. Step 2: Convert to fraction form
   2,105,345.36/3,159,428.69 = 739,123.12/x
3. Step 3: Cross multiply
   2,105,345.36x = 3,159,428.69 × 739,123.12
4. Step 4: Simplify right side
   2,105,345.36x = 2,335,206,797,744.98
5. Step 5: Solve for x
   x = 2,335,206,797,744.98/2,105,345.36
6. Step 6: Final answer
   x = 1,109,179.92