Finding the Fourth Proportional to 2,261,638.54, 3,121,008.51 and 1,229,121.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261,638.54 : 3,121,008.51 = 1,229,121.82 : x
2. Step 2: Convert to fraction form
   2,261,638.54/3,121,008.51 = 1,229,121.82/x
3. Step 3: Cross multiply
   2,261,638.54x = 3,121,008.51 × 1,229,121.82
4. Step 4: Simplify right side
   2,261,638.54x = 3,836,099,660,046.69
5. Step 5: Solve for x
   x = 3,836,099,660,046.69/2,261,638.54
6. Step 6: Final answer
   x = 1,696,159.48