Finding the Fourth Proportional to 2,109,072, 3,164,147.46 and 613,164

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,072 : 3,164,147.46 = 613,164 : x
2. Step 2: Convert to fraction form
   2,109,072/3,164,147.46 = 613,164/x
3. Step 3: Cross multiply
   2,109,072x = 3,164,147.46 × 613,164
4. Step 4: Simplify right side
   2,109,072x = 1,940,141,313,163.44
5. Step 5: Solve for x
   x = 1,940,141,313,163.44/2,109,072
6. Step 6: Final answer
   x = 919,902.84