Finding the Fourth Proportional to 2,107,945.79, 3,161,908.10 and 510,508.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,945.79 : 3,161,908.10 = 510,508.83 : x
2. Step 2: Convert to fraction form
   2,107,945.79/3,161,908.10 = 510,508.83/x
3. Step 3: Cross multiply
   2,107,945.79x = 3,161,908.10 × 510,508.83
4. Step 4: Simplify right side
   2,107,945.79x = 1,614,182,002,145.98
5. Step 5: Solve for x
   x = 1,614,182,002,145.98/2,107,945.79
6. Step 6: Final answer
   x = 765,760.68