Finding the Fourth Proportional to 2,863,429.31, 4,294,053.20 and 1,265,120.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863,429.31 : 4,294,053.20 = 1,265,120.51 : x
2. Step 2: Convert to fraction form
   2,863,429.31/4,294,053.20 = 1,265,120.51/x
3. Step 3: Cross multiply
   2,863,429.31x = 4,294,053.20 × 1,265,120.51
4. Step 4: Simplify right side
   2,863,429.31x = 5,432,494,756,043.67
5. Step 5: Solve for x
   x = 5,432,494,756,043.67/2,863,429.31
6. Step 6: Final answer
   x = 1,897,198.84