Finding the Fourth Proportional to 2,388,998, 3,296,817.42 and 1,315,910

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388,998 : 3,296,817.42 = 1,315,910 : x
2. Step 2: Convert to fraction form
   2,388,998/3,296,817.42 = 1,315,910/x
3. Step 3: Cross multiply
   2,388,998x = 3,296,817.42 × 1,315,910
4. Step 4: Simplify right side
   2,388,998x = 4,338,315,011,152.20
5. Step 5: Solve for x
   x = 4,338,315,011,152.20/2,388,998
6. Step 6: Final answer
   x = 1,815,955.90