Finding the Fourth Proportional to 2,057,483.53, 3,086,106.63 and 618,136.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,483.53 : 3,086,106.63 = 618,136.12 : x
2. Step 2: Convert to fraction form
   2,057,483.53/3,086,106.63 = 618,136.12/x
3. Step 3: Cross multiply
   2,057,483.53x = 3,086,106.63 × 618,136.12
4. Step 4: Simplify right side
   2,057,483.53x = 1,907,633,978,174.48
5. Step 5: Solve for x
   x = 1,907,633,978,174.48/2,057,483.53
6. Step 6: Final answer
   x = 927,168.53