Finding the Fourth Proportional to 1,557,162.78, 2,147,542.11 and 1,013,099.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,162.78 : 2,147,542.11 = 1,013,099.82 : x
2. Step 2: Convert to fraction form
   1,557,162.78/2,147,542.11 = 1,013,099.82/x
3. Step 3: Cross multiply
   1,557,162.78x = 2,147,542.11 × 1,013,099.82
4. Step 4: Simplify right side
   1,557,162.78x = 2,175,674,525,083.42
5. Step 5: Solve for x
   x = 2,175,674,525,083.42/1,557,162.78
6. Step 6: Final answer
   x = 1,397,204.30