Finding the Fourth Proportional to 2,109,917.05, 3,164,875.61 and 512,469.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,917.05 : 3,164,875.61 = 512,469.37 : x
2. Step 2: Convert to fraction form
   2,109,917.05/3,164,875.61 = 512,469.37/x
3. Step 3: Cross multiply
   2,109,917.05x = 3,164,875.61 × 512,469.37
4. Step 4: Simplify right side
   2,109,917.05x = 1,621,901,799,510.53
5. Step 5: Solve for x
   x = 1,621,901,799,510.53/2,109,917.05
6. Step 6: Final answer
   x = 768,704.06