Finding the Fourth Proportional to 2,109,069, 3,164,142.96 and 613,161

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,069 : 3,164,142.96 = 613,161 : x
2. Step 2: Convert to fraction form
   2,109,069/3,164,142.96 = 613,161/x
3. Step 3: Cross multiply
   2,109,069x = 3,164,142.96 × 613,161
4. Step 4: Simplify right side
   2,109,069x = 1,940,129,061,496.56
5. Step 5: Solve for x
   x = 1,940,129,061,496.56/2,109,069
6. Step 6: Final answer
   x = 919,898.33