Finding the Fourth Proportional to 1,309,814.48, 1,806,882.28 and 765,594.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,814.48 : 1,806,882.28 = 765,594.72 : x
2. Step 2: Convert to fraction form
   1,309,814.48/1,806,882.28 = 765,594.72/x
3. Step 3: Cross multiply
   1,309,814.48x = 1,806,882.28 × 765,594.72
4. Step 4: Simplify right side
   1,309,814.48x = 1,383,339,533,229.56
5. Step 5: Solve for x
   x = 1,383,339,533,229.56/1,309,814.48
6. Step 6: Final answer
   x = 1,056,133.94