Finding the Fourth Proportional to 2,109,929.86, 3,164,870.04 and 512,494.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,929.86 : 3,164,870.04 = 512,494.42 : x
2. Step 2: Convert to fraction form
   2,109,929.86/3,164,870.04 = 512,494.42/x
3. Step 3: Cross multiply
   2,109,929.86x = 3,164,870.04 × 512,494.42
4. Step 4: Simplify right side
   2,109,929.86x = 1,621,978,235,525.18
5. Step 5: Solve for x
   x = 1,621,978,235,525.18/2,109,929.86
6. Step 6: Final answer
   x = 768,735.62