Finding the Fourth Proportional to 2,117,146.69, 3,175,782.27 and 519,709.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,146.69 : 3,175,782.27 = 519,709.71 : x
2. Step 2: Convert to fraction form
   2,117,146.69/3,175,782.27 = 519,709.71/x
3. Step 3: Cross multiply
   2,117,146.69x = 3,175,782.27 × 519,709.71
4. Step 4: Simplify right side
   2,117,146.69x = 1,650,484,882,564.84
5. Step 5: Solve for x
   x = 1,650,484,882,564.84/2,117,146.69
6. Step 6: Final answer
   x = 779,579.84