Finding the Fourth Proportional to 2,525,618.39, 3,788,460.42 and 842,721.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525,618.39 : 3,788,460.42 = 842,721.89 : x
2. Step 2: Convert to fraction form
   2,525,618.39/3,788,460.42 = 842,721.89/x
3. Step 3: Cross multiply
   2,525,618.39x = 3,788,460.42 × 842,721.89
4. Step 4: Simplify right side
   2,525,618.39x = 3,192,618,524,540.17
5. Step 5: Solve for x
   x = 3,192,618,524,540.17/2,525,618.39
6. Step 6: Final answer
   x = 1,264,093.79