Finding the Fourth Proportional to 1,399,009, 1,930,632.42 and 763,105

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,009 : 1,930,632.42 = 763,105 : x
2. Step 2: Convert to fraction form
   1,399,009/1,930,632.42 = 763,105/x
3. Step 3: Cross multiply
   1,399,009x = 1,930,632.42 × 763,105
4. Step 4: Simplify right side
   1,399,009x = 1,473,275,252,864.10
5. Step 5: Solve for x
   x = 1,473,275,252,864.10/1,399,009
6. Step 6: Final answer
   x = 1,053,084.90