Finding the Fourth Proportional to 2,387,019.70, 3,294,174.09 and 1,299,238.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387,019.70 : 3,294,174.09 = 1,299,238.69 : x
2. Step 2: Convert to fraction form
   2,387,019.70/3,294,174.09 = 1,299,238.69/x
3. Step 3: Cross multiply
   2,387,019.70x = 3,294,174.09 × 1,299,238.69
4. Step 4: Simplify right side
   2,387,019.70x = 4,279,918,429,323.54
5. Step 5: Solve for x
   x = 4,279,918,429,323.54/2,387,019.70
6. Step 6: Final answer
   x = 1,792,996.69