Finding the Fourth Proportional to 1,636,405.69, 2,454,994.89 and 514,474.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,405.69 : 2,454,994.89 = 514,474.69 : x
2. Step 2: Convert to fraction form
   1,636,405.69/2,454,994.89 = 514,474.69/x
3. Step 3: Cross multiply
   1,636,405.69x = 2,454,994.89 × 514,474.69
4. Step 4: Simplify right side
   1,636,405.69x = 1,263,032,734,984.33
5. Step 5: Solve for x
   x = 1,263,032,734,984.33/1,636,405.69
6. Step 6: Final answer
   x = 771,833.50