Finding the Fourth Proportional to 1,013,149.35, 1,519,725.78 and 414,109.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013,149.35 : 1,519,725.78 = 414,109.98 : x
2. Step 2: Convert to fraction form
   1,013,149.35/1,519,725.78 = 414,109.98/x
3. Step 3: Cross multiply
   1,013,149.35x = 1,519,725.78 × 414,109.98
4. Step 4: Simplify right side
   1,013,149.35x = 629,333,612,361.28
5. Step 5: Solve for x
   x = 629,333,612,361.28/1,013,149.35
6. Step 6: Final answer
   x = 621,165.69