Finding the Fourth Proportional to 2,109,743.86, 3,164,572.05 and 512,315.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,743.86 : 3,164,572.05 = 512,315.32 : x
2. Step 2: Convert to fraction form
   2,109,743.86/3,164,572.05 = 512,315.32/x
3. Step 3: Cross multiply
   2,109,743.86x = 3,164,572.05 × 512,315.32
4. Step 4: Simplify right side
   2,109,743.86x = 1,621,258,746,414.52
5. Step 5: Solve for x
   x = 1,621,258,746,414.52/2,109,743.86
6. Step 6: Final answer
   x = 768,462.36