Finding the Fourth Proportional to 1,294,105.37, 1,785,718.90 and 750,128.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294,105.37 : 1,785,718.90 = 750,128.71 : x
2. Step 2: Convert to fraction form
   1,294,105.37/1,785,718.90 = 750,128.71/x
3. Step 3: Cross multiply
   1,294,105.37x = 1,785,718.90 × 750,128.71
4. Step 4: Simplify right side
   1,294,105.37x = 1,339,519,014,879.62
5. Step 5: Solve for x
   x = 1,339,519,014,879.62/1,294,105.37
6. Step 6: Final answer
   x = 1,035,092.69