Finding the Fourth Proportional to 1,636,073.83, 2,454,462.54 and 815,859.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,073.83 : 2,454,462.54 = 815,859.39 : x
2. Step 2: Convert to fraction form
   1,636,073.83/2,454,462.54 = 815,859.39/x
3. Step 3: Cross multiply
   1,636,073.83x = 2,454,462.54 × 815,859.39
4. Step 4: Simplify right side
   1,636,073.83x = 2,002,496,310,662.25
5. Step 5: Solve for x
   x = 2,002,496,310,662.25/1,636,073.83
6. Step 6: Final answer
   x = 1,223,964.51