Finding the Fourth Proportional to 2,388,769, 3,296,501.22 and 1,315,681

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388,769 : 3,296,501.22 = 1,315,681 : x
2. Step 2: Convert to fraction form
   2,388,769/3,296,501.22 = 1,315,681/x
3. Step 3: Cross multiply
   2,388,769x = 3,296,501.22 × 1,315,681
4. Step 4: Simplify right side
   2,388,769x = 4,337,144,021,630.82
5. Step 5: Solve for x
   x = 4,337,144,021,630.82/2,388,769
6. Step 6: Final answer
   x = 1,815,639.78