Finding the Fourth Proportional to 1,192,139.93, 1,645,196.37 and 682,940.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192,139.93 : 1,645,196.37 = 682,940.72 : x
2. Step 2: Convert to fraction form
   1,192,139.93/1,645,196.37 = 682,940.72/x
3. Step 3: Cross multiply
   1,192,139.93x = 1,645,196.37 × 682,940.72
4. Step 4: Simplify right side
   1,192,139.93x = 1,123,571,593,469.19
5. Step 5: Solve for x
   x = 1,123,571,593,469.19/1,192,139.93
6. Step 6: Final answer
   x = 942,482.98