Finding the Fourth Proportional to 2,388,993, 3,296,810.52 and 1,315,905

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388,993 : 3,296,810.52 = 1,315,905 : x
2. Step 2: Convert to fraction form
   2,388,993/3,296,810.52 = 1,315,905/x
3. Step 3: Cross multiply
   2,388,993x = 3,296,810.52 × 1,315,905
4. Step 4: Simplify right side
   2,388,993x = 4,338,289,447,320.60
5. Step 5: Solve for x
   x = 4,338,289,447,320.60/2,388,993
6. Step 6: Final answer
   x = 1,815,949.00