Finding the Fourth Proportional to 2,107,659.96, 3,161,498.04 and 510,220.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,659.96 : 3,161,498.04 = 510,220.49 : x
2. Step 2: Convert to fraction form
   2,107,659.96/3,161,498.04 = 510,220.49/x
3. Step 3: Cross multiply
   2,107,659.96x = 3,161,498.04 × 510,220.49
4. Step 4: Simplify right side
   2,107,659.96x = 1,613,061,063,295.35
5. Step 5: Solve for x
   x = 1,613,061,063,295.35/2,107,659.96
6. Step 6: Final answer
   x = 765,332.69