Finding the Fourth Proportional to 2,261,146.05, 3,120,401.25 and 1,228,653.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261,146.05 : 3,120,401.25 = 1,228,653.83 : x
2. Step 2: Convert to fraction form
   2,261,146.05/3,120,401.25 = 1,228,653.83/x
3. Step 3: Cross multiply
   2,261,146.05x = 3,120,401.25 × 1,228,653.83
4. Step 4: Simplify right side
   2,261,146.05x = 3,833,892,941,512.97
5. Step 5: Solve for x
   x = 3,833,892,941,512.97/2,261,146.05
6. Step 6: Final answer
   x = 1,695,552.99