Finding the Fourth Proportional to 2,238,638.97, 3,089,332.17 and 1,271,822.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,638.97 : 3,089,332.17 = 1,271,822.30 : x
2. Step 2: Convert to fraction form
   2,238,638.97/3,089,332.17 = 1,271,822.30/x
3. Step 3: Cross multiply
   2,238,638.97x = 3,089,332.17 × 1,271,822.30
4. Step 4: Simplify right side
   2,238,638.97x = 3,929,081,530,466.73
5. Step 5: Solve for x
   x = 3,929,081,530,466.73/2,238,638.97
6. Step 6: Final answer
   x = 1,755,120.67