Finding the Fourth Proportional to 2,109,916.92, 3,164,875.42 and 512,469.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,916.92 : 3,164,875.42 = 512,469.25 : x
2. Step 2: Convert to fraction form
   2,109,916.92/3,164,875.42 = 512,469.25/x
3. Step 3: Cross multiply
   2,109,916.92x = 3,164,875.42 × 512,469.25
4. Step 4: Simplify right side
   2,109,916.92x = 1,621,901,317,006.46
5. Step 5: Solve for x
   x = 1,621,901,317,006.46/2,109,916.92
6. Step 6: Final answer
   x = 768,703.88